22/250 quickload

tyson22250

Beginner
Nov 8, 2010
83
0
Could I pay a Canadian fellow money to do me a quickload favour ? Name a price.
I'm reloading 22/250 Weatherby vanguard s2 24" bbl 1:14 twist
I'm using laupua brass fire formed, cci br2. I hear that quickload may let you know where the nodes may be as well.
I'm using Speer 55gr tnt hp
Nosler 55gr varmageddon fbhp
Sierra 55gr bthp gameking

These are the powders I would like to run .Varget, imr 4166, benchmark, h4350

Thanks in advance!
 
Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Speer TNT 1032
Useable Case Capaci: 40.711 grain H2O = 2.643 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon VARGET

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   82    29.68   3019    1113   33358   8219     89.8    1.228
-18.0   84    30.42   3090    1166   35590   8468     91.0    1.196
-16.0   86    31.16   3161    1220   37941   8710     92.2    1.162
-14.0   88    31.91   3232    1276   40436   8943     93.3    1.129
-12.0   90    32.65   3303    1332   43092   9166     94.3    1.096
-10.0   92    33.39   3374    1390   45919   9379     95.2    1.065
-08.0   94    34.13   3444    1449   48928   9581     96.1    1.034
-06.0   96    34.87   3515    1509   52132   9770     96.9    1.005
-04.0   98    35.62   3585    1569   55545   9946     97.6    0.977  ! Near Maximum !
-02.0  100    36.36   3654    1631   59183  10109     98.2    0.950  ! Near Maximum !
+00.0  102    37.10   3724    1693   63063  10256     98.7    0.924  ! Near Maximum !
+02.0  104    37.84   3793    1757   67204  10389     99.2    0.898  !DANGEROUS LOAD-DO NOT USE!
+04.0  106    38.58   3861    1821   71627  10505     99.5    0.874  !DANGEROUS LOAD-DO NOT USE!
+06.0  108    39.33   3929    1885   76357  10604     99.8    0.851  !DANGEROUS LOAD-DO NOT USE!
+08.0  110    40.07   3997    1951   81419  10685     99.9    0.828  !DANGEROUS LOAD-DO NOT USE!
+10.0  112    40.81   4064    2017   86843  10748    100.0    0.806  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    102    37.10   3874    1832   73663  10055    100.0    0.863  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    102    37.10   3521    1514   52639  10005     93.7    1.002

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Speer TNT 1032
Useable Case Capaci: 40.711 grain H2O = 2.643 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon Benchmark

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   76    27.92   3047    1134   35168   8005     94.6    1.207
-18.0   77    28.62   3114    1184   37380   8210     95.5    1.180
-16.0   79    29.32   3180    1235   39716   8404     96.3    1.145
-14.0   81    30.01   3246    1286   42181   8589     97.1    1.113
-12.0   83    30.71   3311    1339   44784   8764     97.8    1.082
-10.0   85    31.41   3375    1391   47532   8926     98.3    1.053
-08.0   87    32.11   3440    1445   50434   9077     98.8    1.025
-06.0   89    32.81   3503    1499   53499   9215     99.2    0.998
-04.0   91    33.50   3566    1553   56736   9341     99.6    0.972  ! Near Maximum !
-02.0   93    34.20   3628    1607   60157   9452     99.8    0.947  ! Near Maximum !
+00.0   94    34.90   3689    1662   63774   9550     99.9    0.923  ! Near Maximum !
+02.0   96    35.60   3750    1717   67599   9633    100.0    0.900  !DANGEROUS LOAD-DO NOT USE!
+04.0   98    36.30   3810    1773   71647   9705    100.0    0.878  !DANGEROUS LOAD-DO NOT USE!
+06.0  100    36.99   3869    1828   75932   9775    100.0    0.856  !DANGEROUS LOAD-DO NOT USE!
+08.0  102    37.69   3927    1884   80473   9842    100.0    0.836  !DANGEROUS LOAD-DO NOT USE!
+10.0  104    38.39   3985    1940   85288   9907    100.0    0.816  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba     94    34.90   3804    1768   73404   9252    100.0    0.868  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     94    34.90   3522    1515   54098   9596     97.3    0.996

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Speer TNT 1032
Useable Case Capaci: 40.711 grain H2O = 2.643 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   89    32.72   2949    1062   31700   8040     82.0    1.253
-18.0   91    33.54   3025    1117   33954   8325     83.5    1.219
-16.0   94    34.36   3101    1174   36373   8604     85.0    1.186
-14.0   96    35.17   3178    1233   38974   8878     86.5    1.150
-12.0   98    35.99   3255    1294   41768   9144     87.9    1.114
-10.0  100    36.81   3332    1356   44776   9401     89.3    1.079
-08.0  103    37.63   3410    1420   48015   9649     90.6    1.045
-06.0  105    38.45   3488    1486   51508   9886     91.8    1.013
-04.0  107    39.26   3567    1553   55278  10111     92.9    0.982  ! Near Maximum !
-02.0  109    40.08   3645    1623   59351  10322     94.0    0.952  ! Near Maximum !
+00.0  111    40.90   3724    1694   63753  10519     95.0    0.922  ! Near Maximum !
+02.0  114    41.72   3803    1766   68486  10700     95.9    0.894  !DANGEROUS LOAD-DO NOT USE!
+04.0  116    42.54   3882    1840   73609  10865     96.8    0.867  !DANGEROUS LOAD-DO NOT USE!
+06.0  118    43.35   3961    1916   79167  11011     97.5    0.840  !DANGEROUS LOAD-DO NOT USE!
+08.0  120    44.17   4040    1993   85208  11138     98.2    0.815  !DANGEROUS LOAD-DO NOT USE!
+10.0  123    44.99   4119    2072   91789  11245     98.7    0.790  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    111    40.90   3915    1872   75734  10646     99.1    0.856  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    111    40.90   3482    1481   52299   9932     87.5    1.007

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Speer TNT 1032
Useable Case Capaci: 40.711 grain H2O = 2.643 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : IMR 4166 Enduron

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   83    29.76   2970    1077   33653   7888     84.8    1.234
-18.0   85    30.50   3042    1130   35889   8143     86.1    1.201
-16.0   87    31.25   3114    1184   38267   8394     87.4    1.166
-14.0   89    31.99   3186    1239   40797   8639     88.6    1.132
-12.0   91    32.74   3258    1296   43487   8877     89.8    1.099
-10.0   93    33.48   3330    1354   46351   9108     91.0    1.066
-08.0   95    34.22   3401    1413   49400   9331     92.1    1.035
-06.0   97    34.97   3473    1473   52648   9545     93.1    1.006
-04.0   99    35.71   3545    1535   56110   9749     94.0    0.977  ! Near Maximum !
-02.0  101    36.46   3617    1598   59803   9943     94.9    0.950  ! Near Maximum !
+00.0  104    37.20   3688    1661   63746  10126     95.8    0.923  ! Near Maximum !
+02.0  106    37.94   3760    1726   67958  10296     96.5    0.897  !DANGEROUS LOAD-DO NOT USE!
+04.0  108    38.69   3831    1792   72463  10454     97.2    0.873  !DANGEROUS LOAD-DO NOT USE!
+06.0  110    39.43   3902    1860   77288  10598     97.8    0.849  !DANGEROUS LOAD-DO NOT USE!
+08.0  112    40.18   3973    1928   82460  10728     98.4    0.826  !DANGEROUS LOAD-DO NOT USE!
+10.0  114    40.92   4044    1997   88012  10842     98.8    0.803  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    104    37.20   3854    1814   73891  10217     99.3    0.863  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    104    37.20   3478    1477   53786   9659     89.3    1.000

I'll look at the others in a bit to see what I can do. Oh, you can't pay me enough to do this. I'll give you the intel, but I won't sell it.
 
Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra SPBT 1365
Useable Case Capaci: 40.757 grain H2O = 2.646 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : IMR 4166 Enduron

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   83    29.76   2968    1076   33591   7885     84.7    1.235
-18.0   85    30.50   3040    1129   35821   8141     86.1    1.202
-16.0   87    31.25   3112    1183   38193   8391     87.4    1.168
-14.0   89    31.99   3184    1238   40715   8636     88.6    1.133
-12.0   91    32.74   3256    1295   43398   8874     89.8    1.100
-10.0   93    33.48   3328    1353   46253   9106     91.0    1.068
-08.0   95    34.22   3400    1412   49292   9329     92.0    1.037
-06.0   97    34.97   3472    1472   52529   9543     93.1    1.007
-04.0   99    35.71   3543    1533   55980   9748     94.0    0.978  ! Near Maximum !
-02.0  101    36.46   3615    1596   59660   9942     94.9    0.951  ! Near Maximum !
+00.0  103    37.20   3687    1660   63588  10125     95.7    0.924  ! Near Maximum !
+02.0  105    37.94   3758    1725   67784  10295     96.5    0.899  !DANGEROUS LOAD-DO NOT USE!
+04.0  108    38.69   3829    1791   72272  10453     97.2    0.874  !DANGEROUS LOAD-DO NOT USE!
+06.0  110    39.43   3900    1858   77077  10598     97.8    0.850  !DANGEROUS LOAD-DO NOT USE!
+08.0  112    40.18   3971    1926   82227  10728     98.4    0.827  !DANGEROUS LOAD-DO NOT USE!
+10.0  114    40.92   4042    1995   87755  10843     98.8    0.804  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    103    37.20   3852    1812   73705  10217     99.3    0.864  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    103    37.20   3476    1476   53655   9656     89.3    1.001

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra SPBT 1365
Useable Case Capaci: 40.757 grain H2O = 2.646 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   89    32.80   2955    1066   31854   8065     82.1    1.251
-18.0   91    33.62   3031    1122   34122   8350     83.7    1.217
-16.0   94    34.44   3107    1179   36558   8630     85.2    1.184
-14.0   96    35.26   3184    1238   39175   8903     86.6    1.147
-12.0   98    36.08   3261    1299   41990   9169     88.0    1.112
-10.0  100    36.90   3339    1362   45019   9426     89.4    1.077
-08.0  103    37.72   3417    1426   48282   9674     90.7    1.043
-06.0  105    38.54   3495    1492   51801   9910     91.9    1.011
-04.0  107    39.36   3574    1560   55600  10134     93.1    0.980  ! Near Maximum !
-02.0  109    40.18   3653    1629   59707  10345     94.1    0.949  ! Near Maximum !
+00.0  112    41.00   3731    1700   64140  10541     95.1    0.920  ! Near Maximum !
+02.0  114    41.82   3810    1773   68909  10721     96.0    0.892  !DANGEROUS LOAD-DO NOT USE!
+04.0  116    42.64   3890    1848   74073  10884     96.8    0.865  !DANGEROUS LOAD-DO NOT USE!
+06.0  118    43.46   3969    1924   79678  11029     97.6    0.838  !DANGEROUS LOAD-DO NOT USE!
+08.0  120    44.28   4048    2001   85772  11154     98.2    0.813  !DANGEROUS LOAD-DO NOT USE!
+10.0  123    45.10   4127    2080   92411  11259     98.8    0.788  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    112    41.00   3922    1879   76185  10660     99.1    0.854  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    112    41.00   3490    1487   52613   9959     87.6    1.005

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra SPBT 1365
Useable Case Capaci: 40.757 grain H2O = 2.646 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon VARGET

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   82    29.76   3025    1117   33534   8243     89.9    1.226
-18.0   84    30.50   3096    1171   35778   8493     91.1    1.194
-16.0   86    31.25   3168    1225   38144   8734     92.3    1.160
-14.0   88    31.99   3239    1281   40657   8967     93.4    1.127
-12.0   90    32.74   3310    1338   43332   9190     94.4    1.093
-10.0   92    33.48   3381    1396   46179   9402     95.3    1.062
-08.0   94    34.22   3451    1455   49210   9603     96.2    1.032
-06.0   96    34.97   3522    1515   52437   9791     97.0    1.003
-04.0   98    35.71   3592    1576   55876   9967     97.7    0.975  ! Near Maximum !
-02.0  100    36.46   3662    1638   59542  10128     98.3    0.947  ! Near Maximum !
+00.0  102    37.20   3731    1700   63452  10275     98.8    0.921  ! Near Maximum !
+02.0  104    37.94   3800    1764   67627  10405     99.2    0.896  !DANGEROUS LOAD-DO NOT USE!
+04.0  106    38.69   3869    1828   72086  10520     99.6    0.872  !DANGEROUS LOAD-DO NOT USE!
+06.0  109    39.43   3937    1893   76855  10617     99.8    0.848  !DANGEROUS LOAD-DO NOT USE!
+08.0  111    40.18   4005    1958   81960  10697     99.9    0.826  !DANGEROUS LOAD-DO NOT USE!
+10.0  113    40.92   4072    2025   87432  10758    100.0    0.804  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    102    37.20   3881    1839   74111  10065    100.0    0.861  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    102    37.20   3528    1520   52967  10030     93.9    0.999

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra SPBT 1365
Useable Case Capaci: 40.757 grain H2O = 2.646 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon Benchmark

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   76    28.00   3053    1139   35355   8027     94.7    1.205
-18.0   78    28.70   3120    1189   37582   8231     95.6    1.175
-16.0   79    29.40   3186    1240   39933   8426     96.4    1.142
-14.0   81    30.10   3252    1292   42416   8610     97.2    1.110
-12.0   83    30.80   3318    1344   45037   8783     97.8    1.080
-10.0   85    31.50   3382    1397   47804   8945     98.4    1.051
-08.0   87    32.20   3446    1451   50727   9095     98.9    1.023
-06.0   89    32.90   3510    1505   53813   9232     99.3    0.996
-04.0   91    33.60   3573    1559   57075   9357     99.6    0.970  ! Near Maximum !
-02.0   93    34.30   3635    1614   60522   9467     99.8    0.945  ! Near Maximum !
+00.0   95    35.00   3696    1669   64166   9563     99.9    0.921  ! Near Maximum !
+02.0   96    35.70   3757    1724   68020   9645    100.0    0.898  !DANGEROUS LOAD-DO NOT USE!
+04.0   98    36.40   3817    1779   72100   9717    100.0    0.876  !DANGEROUS LOAD-DO NOT USE!
+06.0  100    37.10   3876    1835   76420   9786    100.0    0.854  !DANGEROUS LOAD-DO NOT USE!
+08.0  102    37.80   3935    1891   80998   9854    100.0    0.834  !DANGEROUS LOAD-DO NOT USE!
+10.0  104    38.50   3993    1947   85853   9918    100.0    0.814  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba     95    35.00   3811    1774   73847   9264    100.0    0.866  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     95    35.00   3530    1521   54435   9618     97.4    0.993
 
Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Nosler Varmag HP 17235
Useable Case Capaci: 40.884 grain H2O = 2.655 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon Benchmark

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   75    28.00   3049    1135   35187   8034     94.7    1.207
-18.0   77    28.70   3115    1185   37399   8239     95.6    1.179
-16.0   79    29.40   3182    1236   39734   8434     96.4    1.144
-14.0   81    30.10   3247    1288   42199   8619     97.1    1.112
-12.0   83    30.80   3313    1340   44801   8793     97.8    1.082
-10.0   85    31.50   3377    1393   47547   8956     98.4    1.053
-08.0   87    32.20   3441    1446   50447   9108     98.8    1.025
-06.0   89    32.90   3505    1500   53509   9246     99.3    0.998
-04.0   91    33.60   3567    1554   56743   9371     99.6    0.972  ! Near Maximum !
-02.0   92    34.30   3629    1609   60161   9483     99.8    0.947  ! Near Maximum !
+00.0   94    35.00   3691    1664   63773   9580     99.9    0.923  ! Near Maximum !
+02.0   96    35.70   3751    1719   67593   9663    100.0    0.900  !DANGEROUS LOAD-DO NOT USE!
+04.0   98    36.40   3811    1774   71635   9736    100.0    0.878  !DANGEROUS LOAD-DO NOT USE!
+06.0  100    37.10   3870    1829   75914   9806    100.0    0.856  !DANGEROUS LOAD-DO NOT USE!
+08.0  102    37.80   3929    1885   80447   9874    100.0    0.836  !DANGEROUS LOAD-DO NOT USE!
+10.0  104    38.50   3987    1941   85252   9939    100.0    0.816  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba     94    35.00   3806    1769   73390   9282    100.0    0.868  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     94    35.00   3524    1516   54108   9630     97.3    0.995

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Nosler Varmag HP 17235
Useable Case Capaci: 40.884 grain H2O = 2.655 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon VARGET

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   82    29.76   3020    1114   33372   8248     89.8    1.223
-18.0   84    30.50   3091    1167   35600   8498     91.0    1.196
-16.0   86    31.25   3162    1221   37947   8740     92.2    1.162
-14.0   88    31.99   3233    1277   40441   8973     93.3    1.129
-12.0   90    32.74   3304    1333   43094   9197     94.3    1.096
-10.0   92    33.48   3375    1391   45918   9411     95.3    1.065
-08.0   94    34.22   3446    1450   48923   9613     96.1    1.034
-06.0   96    34.97   3516    1510   52122   9802     96.9    1.005
-04.0   98    35.71   3586    1570   55530   9979     97.6    0.977  ! Near Maximum !
-02.0  100    36.46   3656    1632   59161  10142     98.2    0.950  ! Near Maximum !
+00.0  102    37.20   3725    1694   63034  10290     98.8    0.924  ! Near Maximum !
+02.0  104    37.94   3794    1758   67166  10422     99.2    0.899  !DANGEROUS LOAD-DO NOT USE!
+04.0  106    38.69   3862    1822   71579  10538     99.5    0.874  !DANGEROUS LOAD-DO NOT USE!
+06.0  108    39.43   3930    1886   76297  10637     99.8    0.851  !DANGEROUS LOAD-DO NOT USE!
+08.0  110    40.18   3998    1952   81345  10719     99.9    0.828  !DANGEROUS LOAD-DO NOT USE!
+10.0  112    40.92   4065    2018   86753  10782    100.0    0.806  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    102    37.20   3874    1833   73614  10086    100.0    0.864  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    102    37.20   3522    1515   52625  10039     93.8    1.002

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Nosler Varmag HP 17235
Useable Case Capaci: 40.884 grain H2O = 2.655 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   89    32.96   2964    1073   32115   8124     82.3    1.246
-18.0   92    33.78   3041    1129   34409   8410     83.9    1.213
-16.0   94    34.61   3117    1187   36872   8690     85.4    1.180
-14.0   96    35.43   3194    1246   39519   8964     86.9    1.142
-12.0   98    36.26   3272    1307   42366   9231     88.3    1.107
-10.0  101    37.08   3350    1370   45431   9488     89.6    1.072
-08.0  103    37.90   3428    1435   48733   9735     90.9    1.039
-06.0  105    38.73   3507    1502   52296   9972     92.1    1.006
-04.0  107    39.55   3585    1570   56143  10195     93.2    0.975  ! Near Maximum !
-02.0  109    40.38   3664    1640   60302  10405     94.3    0.945  ! Near Maximum !
+00.0  112    41.20   3744    1711   64782  10600     95.3    0.916  !DANGEROUS LOAD-DO NOT USE!
+02.0  114    42.02   3823    1785   69610  10778     96.2    0.888  !DANGEROUS LOAD-DO NOT USE!
+04.0  116    42.85   3902    1859   74842  10940     97.0    0.861  !DANGEROUS LOAD-DO NOT USE!
+06.0  118    43.67   3981    1936   80520  11082     97.7    0.834  !DANGEROUS LOAD-DO NOT USE!
+08.0  121    44.50   4061    2014   86697  11205     98.3    0.809  !DANGEROUS LOAD-DO NOT USE!
+10.0  123    45.32   4140    2093   93428  11307     98.9    0.784  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    112    41.20   3934    1890   76931  10706     99.2    0.850  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    112    41.20   3502    1498   53136  10026     87.9    1.000

This is about as good as you can get with H4350 without exceeding maximum chamber pressures.

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Nosler Varmag HP 17235
Useable Case Capaci: 40.884 grain H2O = 2.655 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : IMR 4166 Enduron

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   82    29.76   2964    1073   33421   7889     84.7    1.237
-18.0   85    30.50   3035    1125   35635   8145     86.0    1.204
-16.0   87    31.25   3107    1179   37988   8396     87.3    1.170
-14.0   89    31.99   3179    1234   40490   8642     88.6    1.135
-12.0   91    32.74   3250    1290   43151   8881     89.7    1.102
-10.0   93    33.48   3322    1348   45982   9113     90.9    1.070
-08.0   95    34.22   3394    1407   48995   9337     92.0    1.039
-06.0   97    34.97   3466    1467   52203   9552     93.0    1.010
-04.0   99    35.71   3537    1528   55622   9758     94.0    0.981  ! Near Maximum !
-02.0  101    36.46   3609    1590   59266   9953     94.9    0.953  ! Near Maximum !
+00.0  103    37.20   3680    1654   63155  10137     95.7    0.927  ! Near Maximum !
+02.0  105    37.94   3751    1719   67309  10310     96.4    0.901  !DANGEROUS LOAD-DO NOT USE!
+04.0  107    38.69   3822    1784   71749  10469     97.1    0.876  !DANGEROUS LOAD-DO NOT USE!
+06.0  109    39.43   3893    1851   76500  10615     97.8    0.852  !DANGEROUS LOAD-DO NOT USE!
+08.0  111    40.18   3964    1919   81591  10746     98.3    0.829  !DANGEROUS LOAD-DO NOT USE!
+10.0  113    40.92   4034    1988   87053  10863     98.8    0.807  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    103    37.20   3846    1806   73198  10235     99.2    0.866  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    103    37.20   3470    1470   53296   9664     89.2    1.004
 
I note that I used the GK for the Sierra calculations. There shouldn't be a great difference in load data, however.

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra HPBT 1390
Useable Case Capaci: 40.783 grain H2O = 2.648 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : IMR 4166 Enduron

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   83    29.76   2967    1075   33557   7887     84.7    1.235
-18.0   85    30.50   3039    1128   35784   8142     86.1    1.202
-16.0   87    31.25   3111    1182   38152   8393     87.4    1.168
-14.0   89    31.99   3183    1237   40670   8638     88.6    1.133
-12.0   91    32.74   3255    1294   43348   8877     89.8    1.100
-10.0   93    33.48   3327    1352   46198   9108     90.9    1.068
-08.0   95    34.22   3399    1411   49232   9331     92.0    1.037
-06.0   97    34.97   3470    1471   52464   9546     93.0    1.008
-04.0   99    35.71   3542    1532   55908   9751     94.0    0.979  ! Near Maximum !
-02.0  101    36.46   3614    1595   59580   9945     94.9    0.951  ! Near Maximum !
+00.0  103    37.20   3685    1658   63501  10128     95.7    0.925  ! Near Maximum !
+02.0  105    37.94   3756    1723   67688  10299     96.5    0.899  !DANGEROUS LOAD-DO NOT USE!
+04.0  107    38.69   3828    1789   72167  10458     97.2    0.874  !DANGEROUS LOAD-DO NOT USE!
+06.0  110    39.43   3899    1856   76961  10602     97.8    0.850  !DANGEROUS LOAD-DO NOT USE!
+08.0  112    40.18   3969    1924   82099  10733     98.3    0.827  !DANGEROUS LOAD-DO NOT USE!
+10.0  114    40.92   4040    1993   87614  10848     98.8    0.805  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    103    37.20   3851    1811   73603  10222     99.2    0.864  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    103    37.20   3475    1475   53583   9659     89.2    1.002

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra HPBT 1390
Useable Case Capaci: 40.783 grain H2O = 2.648 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   89    32.80   2954    1065   31820   8066     82.1    1.251
-18.0   91    33.62   3030    1121   34085   8351     83.6    1.217
-16.0   94    34.44   3106    1178   36517   8631     85.2    1.184
-14.0   96    35.26   3183    1237   39130   8905     86.6    1.148
-12.0   98    36.08   3260    1298   41939   9171     88.0    1.112
-10.0  100    36.90   3338    1360   44963   9429     89.4    1.077
-08.0  103    37.72   3416    1425   48220   9676     90.7    1.044
-06.0  105    38.54   3494    1491   51732   9913     91.9    1.011
-04.0  107    39.36   3572    1559   55523  10137     93.0    0.980  ! Near Maximum !
-02.0  109    40.18   3651    1628   59622  10348     94.1    0.950  ! Near Maximum !
+00.0  111    41.00   3730    1699   64044  10545     95.1    0.921  ! Near Maximum !
+02.0  114    41.82   3809    1772   68802  10725     96.0    0.893  !DANGEROUS LOAD-DO NOT USE!
+04.0  116    42.64   3888    1846   73954  10889     96.8    0.865  !DANGEROUS LOAD-DO NOT USE!
+06.0  118    43.46   3967    1922   79544  11034     97.6    0.839  !DANGEROUS LOAD-DO NOT USE!
+08.0  120    44.28   4046    1999   85621  11160     98.2    0.813  !DANGEROUS LOAD-DO NOT USE!
+10.0  123    45.10   4125    2078   92242  11265     98.8    0.788  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    111    41.00   3921    1877   76070  10665     99.1    0.855  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    111    41.00   3489    1486   52536   9961     87.6    1.006

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra HPBT 1390
Useable Case Capaci: 40.783 grain H2O = 2.648 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon VARGET

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   82    29.76   3024    1117   33501   8245     89.9    1.221
-18.0   84    30.50   3095    1170   35742   8494     91.1    1.194
-16.0   86    31.25   3166    1224   38104   8736     92.3    1.160
-14.0   88    31.99   3238    1280   40614   8969     93.4    1.127
-12.0   90    32.74   3309    1337   43284   9192     94.4    1.094
-10.0   92    33.48   3379    1395   46126   9405     95.3    1.062
-08.0   94    34.22   3450    1454   49152   9606     96.2    1.032
-06.0   96    34.97   3521    1514   52374   9795     97.0    1.003
-04.0   98    35.71   3591    1575   55806   9970     97.7    0.975  ! Near Maximum !
-02.0  100    36.46   3660    1636   59465  10132     98.3    0.948  ! Near Maximum !
+00.0  102    37.20   3730    1699   63368  10279     98.8    0.922  ! Near Maximum !
+02.0  104    37.94   3799    1762   67534  10410     99.2    0.897  !DANGEROUS LOAD-DO NOT USE!
+04.0  106    38.69   3867    1827   71984  10525     99.5    0.872  !DANGEROUS LOAD-DO NOT USE!
+06.0  108    39.43   3936    1891   76743  10622     99.8    0.849  !DANGEROUS LOAD-DO NOT USE!
+08.0  110    40.18   4003    1957   81836  10702     99.9    0.826  !DANGEROUS LOAD-DO NOT USE!
+10.0  113    40.92   4070    2023   87295  10764    100.0    0.804  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    102    37.20   3879    1838   74011  10071    100.0    0.862  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    102    37.20   3527    1519   52898  10033     93.8    1.000

Code:
Cartridge          : .22-250 Rem. (SAAMI)
Bullet             : .224, 55, Sierra HPBT 1390
Useable Case Capaci: 40.783 grain H2O = 2.648 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon Benchmark

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   76    28.00   3052    1138   35321   8029     94.7    1.205
-18.0   78    28.70   3119    1188   37545   8233     95.6    1.175
-16.0   79    29.40   3185    1239   39893   8428     96.4    1.142
-14.0   81    30.10   3251    1291   42372   8613     97.2    1.110
-12.0   83    30.80   3317    1343   44989   8786     97.8    1.080
-10.0   85    31.50   3381    1396   47752   8948     98.4    1.051
-08.0   87    32.20   3445    1450   50670   9099     98.9    1.023
-06.0   89    32.90   3509    1504   53752   9236     99.3    0.996
-04.0   91    33.60   3572    1558   57008   9361     99.6    0.970  ! Near Maximum !
-02.0   93    34.30   3634    1613   60449   9471     99.8    0.945  ! Near Maximum !
+00.0   95    35.00   3695    1668   64087   9568     99.9    0.921  ! Near Maximum !
+02.0   96    35.70   3756    1723   67934   9650    100.0    0.898  !DANGEROUS LOAD-DO NOT USE!
+04.0   98    36.40   3816    1778   72006   9722    100.0    0.876  !DANGEROUS LOAD-DO NOT USE!
+06.0  100    37.10   3875    1834   76318   9791    100.0    0.855  !DANGEROUS LOAD-DO NOT USE!
+08.0  102    37.80   3933    1890   80887   9859    100.0    0.834  !DANGEROUS LOAD-DO NOT USE!
+10.0  104    38.50   3991    1946   85732   9924    100.0    0.814  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba     95    35.00   3810    1773   73755   9269    100.0    0.867  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     95    35.00   3528    1520   54370   9621     97.3    0.993
 
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