QL Request for 6.5 Creedmoor

otter25

Beginner
May 22, 2012
123
0
I just got a new Ruger American Compact(20" barrel) in 6.5 Creed. Looking for max loads using: RL26, IMR4350 and RL17
143 gr ELD X
2.812 COL
Fed 210 Match
Elev 350 ft.

Thank you I appreciate it as this will be a big help
 

DrMike

Ballistician
Nov 8, 2006
34,806
952
Code:
Cartridge          : 6.5 Creedmoor Hornady
Bullet             : .264, 143, Hornady ELD-X 2635 G7
Useable Case Capaci: 46.962 grain H2O = 3.049 cm³
Cartridge O.A.L. L6: 2.812 inch = 71.42 mm
Barrel Length      : 20.0 inch = 508.0 mm
Powder             : IMR 4350

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   80    34.56   2145    1461   33561   9307     90.6    1.442
-18.0   82    35.42   2197    1532   35751   9599     91.7    1.403
-16.0   84    36.29   2248    1605   38058   9883     92.8    1.362
-14.0   86    37.15   2300    1679   40490  10158     93.8    1.322
-12.0   88    38.02   2352    1756   43071  10424     94.7    1.284
-10.0   90    38.88   2403    1834   45812  10680     95.5    1.246
-08.0   92    39.74   2455    1913   48725  10924     96.3    1.210
-06.0   94    40.61   2506    1994   51821  11156     97.0    1.176
-04.0   96    41.47   2558    2077   55113  11375     97.7    1.142  ! Near Maximum !
-02.0   98    42.34   2609    2161   58616  11580     98.2    1.110  ! Near Maximum !
+00.0  100    43.20   2660    2247   62346  11770     98.7    1.079  ! Near Maximum !
+02.0  102    44.06   2711    2334   66320  11944     99.1    1.050  !DANGEROUS LOAD-DO NOT USE!
+04.0  104    44.93   2762    2422   70558  12101     99.5    1.021  !DANGEROUS LOAD-DO NOT USE!
+06.0  106    45.79   2813    2512   75082  12241     99.7    0.993  !DANGEROUS LOAD-DO NOT USE!
+08.0  108    46.66   2863    2602   79917  12362     99.9    0.966  !DANGEROUS LOAD-DO NOT USE!
+10.0  110    47.52   2913    2695   85090  12464    100.0    0.940  !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    100    43.20   2768    2434   73142  11499    100.0    1.007  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    100    43.20   2512    2004   51740  11501     93.6    1.173
 

DrMike

Ballistician
Nov 8, 2006
34,806
952
Code:
Cartridge          : 6.5 Creedmoor Hornady
Bullet             : .264, 143, Hornady ELD-X 2635 G7
Useable Case Capaci: 46.962 grain H2O = 3.049 cm³
Cartridge O.A.L. L6: 2.812 inch = 71.42 mm
Barrel Length      : 20.0 inch = 508.0 mm
Powder             : Alliant Reloder-26 *C

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   85    39.60   2185    1516   29570  11208     91.4    1.496
-18.0   87    40.59   2249    1606   31783  11604     93.0    1.452
-16.0   89    41.58   2314    1700   34183  11978     94.4    1.410
-14.0   91    42.57   2379    1797   36786  12326     95.7    1.368
-12.0   94    43.56   2444    1897   39604  12647     96.9    1.320
-10.0   96    44.55   2510    2000   42692  12935     97.8    1.273
-08.0   98    45.54   2576    2106   46046  13190     98.6    1.228
-06.0  100    46.53   2641    2215   49706  13407     99.3    1.184
-04.0  102    47.52   2707    2326   53709  13585     99.7    1.142
-02.0  104    48.51   2772    2440   58094  13722     99.9    1.101  ! Near Maximum !
+00.0  106    49.50   2837    2556   62908  13815    100.0    1.062  ! Near Maximum !
+02.0  108    50.49   2902    2673   68206  13890    100.0    1.024  !DANGEROUS LOAD-DO NOT USE!
+04.0  111    51.48   2966    2793   74054  13957    100.0    0.987  !DANGEROUS LOAD-DO NOT USE!
+06.0  113    52.47   3030    2914   80521  14017    100.0    0.951  !DANGEROUS LOAD-DO NOT USE!
+08.0  115    53.46   3093    3039   87703  14069    100.0    0.917  !DANGEROUS LOAD-DO NOT USE!
+10.0  117    54.45   3157    3165   95685  14112    100.0    0.884  !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    106    49.50   2976    2812   80240  13149    100.0    0.967  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    106    49.50   2624    2186   48831  13968     96.1    1.186
 

DrMike

Ballistician
Nov 8, 2006
34,806
952
Code:
Cartridge          : 6.5 Creedmoor Hornady
Bullet             : .264, 143, Hornady ELD-X 2635 G7
Useable Case Capaci: 46.962 grain H2O = 3.049 cm³
Cartridge O.A.L. L6: 2.812 inch = 71.42 mm
Barrel Length      : 20.0 inch = 508.0 mm
Powder             : Alliant Reloder-17 *T

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   77    34.88   2226    1573   32701  10406     96.8    1.439
-18.0   79    35.75   2280    1651   34900  10680     97.7    1.400
-16.0   81    36.62   2335    1731   37245  10934     98.4    1.361
-14.0   83    37.50   2389    1812   39748  11167     99.0    1.319
-12.0   84    38.37   2443    1895   42422  11377     99.4    1.278
-10.0   86    39.24   2496    1979   45280  11565     99.8    1.239
-08.0   88    40.11   2549    2064   48335  11727     99.9    1.202
-06.0   90    40.98   2602    2150   51605  11865    100.0    1.166
-04.0   92    41.86   2654    2237   55105  11990    100.0    1.132  ! Near Maximum !
-02.0   94    42.73   2706    2324   58856  12111    100.0    1.098  ! Near Maximum !
+00.0   96    43.60   2757    2413   62881  12229    100.0    1.066  ! Near Maximum !
+02.0   98    44.47   2807    2502   67201  12344    100.0    1.036  !DANGEROUS LOAD-DO NOT USE!
+04.0  100    45.34   2858    2593   71845  12454    100.0    1.006  !DANGEROUS LOAD-DO NOT USE!
+06.0  102    46.22   2908    2685   76816  12561    100.0    0.977  !DANGEROUS LOAD-DO NOT USE!
+08.0  104    47.09   2958    2778   82136  12663    100.0    0.949  !DANGEROUS LOAD-DO NOT USE!
+10.0  106    47.96   3007    2872   87847  12761    100.0    0.923  !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     96    43.60   2853    2585   76448  11791    100.0    0.989  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     96    43.60   2608    2160   50593  12673     98.9    1.169
 
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