New 240 WBY

[Partisan]

I just took delivery of a Weatherby Vanguard (Wilderness model) in 240 WBY. It's the third Weatherby cartridge cartridge for me and the 6th Weatherby rifle and the 5th Vanguard.

I'm looking to start out loading with MRP and IMR 7828. I have those on hand and need to base-line the rifle as well as get some fired cases to check for actual case capacity to plug into QL.

Looking at starting both MRP and IMR 7828 at 53.grs with 95 gr. B-Tips. Seem reasonable?

Anyone tried IMR 7977 in the 240 WBY?

 

[preacher]

I used R19 behind the older Barnes 90X back in the 90's. Not sure MRP and such but "may" be a tad too slow for the 95gr. Worth trying. anyhow, its a fine cartridge, good luck to you Pard.

 

[frankm]

I believe and have read that MRP is similar or the same as R22... That said I shoot 53 grs of R22 with both a 100 gr GK and 95 gr BT. It is a full pressure load in my Vanguard but shoots very well after finding the sweet spot on OAL. I did start around 51 grs when working up.

I would think MRP and 7828 should both work similar and very well!
Keep us posted on your findings and good luck.

 

[Partisan]

I saw several mentions of RL-22 in articles about the 240 so figured MRP should be close.
Results from this morning's range session... Fired 3 rounds each over the Magnetospeed bayonet.
95 gr B-Tip 52.0 grains Ave(3) 3109 fps Std Dev 2 QL predicted 3234
100 gr Part 51.0 grains Ave(3) 2973 fps Std Dev 26 QL predicted 3120
So I am about 150 to 130 fps low of prediction. I was using standard LR primers.
Fired another 3 each with the chronograph removed...
95 gr went first 2 into single oblong hole third shot was 1/2 " away from those.
100 gr. about a 1" horizontal string...

Now that I have fired cases I can determine actual case capacity to load into QuickLoad...
Stay tuned...

 

[Dwh7271]

Maybe this will help?

Cartridge          : .240 Weath. Mag.
Bullet             : .243, 95, Nosler BalTip 24095
Useable Case Capaci: 58.051 grain H2O = 3.769 cm³
Cartridge O.A.L. L6: 3.100 inch = 78.74 mm
Barrel Length      : 24.0 inch = 609.6 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 63000 psi, or 434 MPa
or a maximum loading ratio or filling of 110 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

18 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.
Powder type          Filling/Loading Ratio  Charge    Charge   Vel. Prop.Burnt P max  P muzz  B_Time
                                      %     Grains    Gramm   fps     %       psi     psi    ms
---------------------------------  -----------------------------------------------------------------
Vihtavuori N570                    110.0     62.1     4.02    3443    94.9    61917   16023   1.088  ! Near Maximum !
Alliant Reloder-26                  98.5     56.7     3.67    3429   100.0    63000   14249   1.094  ! Near Maximum !
Alliant Reloder-25                 107.5     57.2     3.71    3413   100.0    63000   13870   1.078  ! Near Maximum !
Norma MRP                           99.5     55.6     3.60    3410    99.9    63000   14422   1.088  ! Near Maximum !
Norma MRP 2                        109.6     58.7     3.80    3408    98.9    63000   14779   1.092  ! Near Maximum !
Bofors RP30                        109.6     58.7     3.80    3408    98.9    63000   14779   1.092  ! Near Maximum !
ReloadSwiss RS 70                   96.6     55.1     3.57    3407   100.0    63000   14012   1.072  ! Near Maximum !
Vihtavuori N560                    101.3     55.4     3.59    3406    98.1    63000   14767   1.082  ! Near Maximum !
PB Clermont PCL 517                104.1     59.5     3.85    3405    98.9    63000   14499   1.076  ! Near Maximum !
SNPE Vectan SP 12                  103.9     59.4     3.85    3405    99.0    63000   14475   1.076  ! Near Maximum !
IMR 7828                           105.9     55.1     3.57    3399    98.5    63000   14345   1.071  ! Near Maximum !
IMR 7828 SSC                       100.2     55.1     3.57    3399    98.5    63000   14345   1.071  ! Near Maximum !
Accurate MAGPRO                    101.5     57.8     3.74    3392    96.9    63000   14811   1.090  ! Near Maximum !
ADI AR 2213                        101.2     54.7     3.55    3385    98.4    63000   14200   1.068  ! Near Maximum !
Bofors RP5/NP ~approximation       101.6     55.0     3.56    3381    99.3    63000   14217   1.087  ! Near Maximum !
Raufoss RA15                       101.6     55.0     3.56    3381    99.3    63000   14217   1.087  ! Near Maximum !
Alliant Reloder-22                 101.6     55.0     3.56    3381    99.3    63000   14217   1.087  ! Near Maximum !
Bofors RP15                        104.3     55.2     3.58    3379    99.2    63000   14227   1.087  ! Near Maximum !
Winchester WXR                     104.3     55.2     3.58    3379    99.2    63000   14227   1.087  ! Near Maximum !
ReloadSwiss RS 60                   90.3     50.7     3.29    3379   100.0    63000   12893   1.078  ! Near Maximum !
ADI AP 2214                        105.0     58.3     3.78    3376    98.7    63000   14001   1.068  ! Near Maximum !
Hodgdon H1000                      110.0     58.2     3.77    3360    98.6    62214   13929   1.074  ! Near Maximum !
ADI AR 2217                        110.0     58.2     3.77    3360    98.6    62214   13929   1.074  ! Near Maximum !
Ramshot Magnum                     101.3     59.1     3.83    3358    99.7    63000   13579   1.082  ! Near Maximum !
Alliant Reloder-33                 110.0     63.9     4.14    3355    94.3    58164   15529   1.122  ! Near Maximum !
Rottweil R905                      102.9     54.6     3.54    3348    98.0    63000   13887   1.085  ! Near Maximum !
ADI AR 2209                         98.1     52.2     3.38    3345    99.1    63000   13525   1.073  ! Near Maximum !
Alliant Reloder-23                 104.0     54.4     3.53    3344   100.0    63000   12854   1.095  ! Near Maximum !
Bofors RP5 NT ~approximation       104.8     57.2     3.70    3343    96.6    63000   13948   1.072  ! Near Maximum !
Alliant Reloder-19                  98.6     52.8     3.42    3341    99.2    63000   13583   1.081  ! Near Maximum !
Alliant Reloder-16                  95.7     49.9     3.23    3334   100.0    63000   12677   1.092  ! Near Maximum !
PB Clermont PCL 511                 91.2     52.0     3.37    3334   100.0    63000   13169   1.087  ! Near Maximum !
Bofors RP14 ~approximation          99.3     53.2     3.44    3333    99.2    63000   13483   1.081  ! Near Maximum !
Ramshot Hunter                      94.2     52.1     3.37    3332   100.0    63000   13150   1.088  ! Near Maximum !
ReloadSwiss RS 62                   92.7     52.0     3.37    3330   100.0    63000   12920   1.101  ! Near Maximum !
Bofors RP4 ~approximation           96.7     51.7     3.35    3318    99.0    63000   13263   1.080  ! Near Maximum !
Raufoss RA4                         96.7     51.7     3.35    3318    99.0    63000   13263   1.080  ! Near Maximum !
Norma 204                           93.6     51.7     3.35    3318    99.0    63000   13263   1.080  ! Near Maximum !
Hodgdon H4831 SC                    99.8     54.0     3.50    3314    97.7    63000   13392   1.078  ! Near Maximum !
Hodgdon H4831                      103.9     54.0     3.50    3314    97.7    63000   13392   1.078  ! Near Maximum !
Somchem S365                        95.6     50.9     3.30    3313   100.0    63000   12244   1.099  ! Near Maximum !
Norma URP                           93.8     49.7     3.22    3313   100.0    63000   12627   1.092  ! Near Maximum !
Bofors RP19 ~approximation          93.8     49.7     3.22    3312   100.0    63000   12623   1.092  ! Near Maximum !
Vihtavuori N550                     91.2     49.8     3.23    3312   100.0    63000   12761   1.095  ! Near Maximum !
Accurate 4350                       92.9     49.7     3.22    3306   100.0    63000   12603   1.110  ! Near Maximum !
ReloadSwiss RS 80                  110.0     63.9     4.14    3303    94.2    55369   15328   1.145  ! Near Maximum !
Somchem S385                        98.8     53.4     3.46    3299    99.6    63000   12990   1.100  ! Near Maximum !
Hodgdon Retumbo                    110.0     59.2     3.84    3294    99.7    54473   14402   1.148  ! Near Maximum !
ADI AR 2225                        110.0     59.2     3.84    3294    99.7    54473   14402   1.148  ! Near Maximum !
Bofors RP4 NT ~approximation        94.4     51.3     3.32    3292    99.8    63000   12787   1.092  ! Near Maximum !
IMR 4831                            98.4     50.4     3.27    3291   100.0    63000   12356   1.101  ! Near Maximum !
Rottweil R904                       97.6     51.5     3.34    3290    98.4    63000   12961   1.080  ! Near Maximum !
Winchester Supreme 780              97.3     54.9     3.56    3288    99.1    63000   12893   1.087  ! Near Maximum !
ADI AR 2218                        110.0     62.7     4.06    3282    92.0    54941   15582   1.138  ! Near Maximum !
Vihtavuori N165                    103.9     55.0     3.56    3281    99.5    63000   12682   1.091  ! Near Maximum !
Accurate 3100                      101.7     54.4     3.53    3280   100.0    63000   12608   1.116  ! Near Maximum !
Lovex S071                         107.6     54.4     3.53    3280   100.0    63000   12608   1.116  ! Near Maximum !
Lovex S070                          93.7     49.6     3.21    3279    99.9    63000   12595   1.097  ! Near Maximum !
Vihtavuori N160                    104.1     53.4     3.46    3269    98.3    63000   12707   1.083  ! Near Maximum !
Hodgdon Hybrid 100V                 96.3     49.8     3.23    3266   100.0    63000   11677   1.092  ! Near Maximum !
Bofors RP7                          91.8     48.2     3.12    3264    99.6    63000   12435   1.088  ! Near Maximum !
Rottweil R907                       91.8     48.2     3.12    3264    99.6    63000   12435   1.088  ! Near Maximum !
Lovex S065                          92.7     48.5     3.15    3255   100.0    63000   12128   1.095  ! Near Maximum !
Somchem S361                        96.5     55.0     3.57    3250    97.8    63000   12662   1.092  ! Near Maximum !
Lovex D100                         109.7     63.2     4.09    3247    89.6    63000   13220   1.090  ! Near Maximum !
Vihtavuori 24N41                   110.0     62.7     4.06    3229    87.0    57980   13854   1.119  ! Near Maximum !
Norma 217                          110.0     58.0     3.76    3188    98.1    48399   14514   1.230
Vihtavuori N170                    110.0     58.2     3.77    3172    91.7    56536   13220   1.157  ! Near Maximum !
Hodgdon H870                       110.0     60.8     3.94    3165    93.0    48887   14601   1.219
Alliant Reloder-50                 110.0     63.7     4.13    3127    89.8    47026   14891   1.261
Bofors 12,7mmRA NC1214 Lot20115087 110.0     62.3     4.03    3059    81.5    49044   13765   1.263
Hodgdon US 869                     110.0     62.7     4.06    3002    82.8    46977   12890   1.245
Hodgdon 50BMG                      110.0     59.8     3.87    2999    78.4    46889   12862   1.242
SNPE Vectan SP 13                  110.0     60.1     3.90    2936    87.0    42785   12682   1.306
Accurate 8700                      110.0     61.4     3.98    2914    86.1    42201   12631   1.303
Vihtavuori 20N29                   110.0     63.3     4.10    2888    82.8    40980   12678   1.333
PB Clermont PCL 513/520/9520       110.0     60.1     3.90    2861    83.8    40129   12306   1.345
NC A3502 ,test only                110.0     57.6     3.73    2627    59.0    36679    9602   1.393
TLP A 502(RH) ,test only           110.0     57.6     3.73    2601    63.6    34451   10097   1.434

\

This one would intrigue me.....

Cartridge          : .240 Weath. Mag.
Bullet             : .243, 95, Nosler BalTip 24095
Useable Case Capaci: 58.051 grain H2O = 3.769 cm³
Cartridge O.A.L. L6: 3.100 inch = 78.74 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H1000

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   88    46.58   2585    1410   29768  10589     84.8    1.501
-18.0   90    47.74   2659    1492   31961  11012     86.7    1.459
-16.0   92    48.90   2734    1577   34330  11424     88.5    1.418
-14.0   95    50.07   2810    1666   36892  11820     90.2    1.377
-12.0   97    51.23   2887    1758   39667  12198     91.8    1.329
-10.0   99    52.40   2965    1854   42674  12556     93.2    1.283
-08.0  101    53.56   3043    1953   45940  12889     94.6    1.238
-06.0  103    54.73   3122    2056   49490  13196     95.8    1.195
-04.0  106    55.89   3201    2161   53357  13473     96.9    1.154
-02.0  108    57.06   3280    2269   57578  13718     97.8    1.113  ! Near Maximum !
+00.0  110    58.22   3359    2381   62192  13928     98.6    1.074  ! Near Maximum !
+02.0  112    59.38   3439    2495   67243  14099     99.2    1.036  !DANGEROUS LOAD-DO NOT USE!
+04.0  114    60.55   3518    2611   72803  14231     99.6    1.000  !DANGEROUS LOAD-DO NOT USE!
+06.0  117    61.71   3598    2731   78922  14319     99.9    0.965  !DANGEROUS LOAD-DO NOT USE!
+08.0  119    62.88   3677    2852   85672  14363    100.0    0.930  !DANGEROUS LOAD-DO NOT USE!
+10.0  121    64.04   3756    2975   93171  14376    100.0    0.897  !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    110    58.22   3542    2646   76071  13517    100.0    0.986  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    110    58.22   3108    2038   50242  13362     91.4    1.187

 

[Partisan]

Thanks but I'm running quick load already.

Just finished measuring and averaging case H2O capacity now that I have fired cases. It averages 64.98 over 5 cases. Nearly a full grain over SAAMI spec. Which I suspected.
When I re-calculated I got velocity predictions very close to what I choreographed. I did change the Weighting Factor from .33 to .5 as well even though this is supposed to be an over-bore caliber. I may change that back after I up the charge weights. Right now the pressures are very mild.

 

[Dwh7271]

Whoops, sorry!
I'll be really interested in how it does over the chrono. (I'm going to compare what you get to my 6-284 :grin: )

This is my 6-284 load(105 AMax)
+00.0 92 53.00 3328 2582 63651 12080 100.0 1.217 ! Near Maximum

edit: Sorry the powder on this is RL26

 

[frankm]

As a reference... My load of 53 grs of R22 with GM210 gives 3250 fps with 100 gr GK at 3.160 OAL. Any more powder and groups opened up and velocity increases were minimal.

 

[Partisan]

Latest range results using IMR7828...
95gr B-Tip 53.0grs IMR7828 Ave(3) 3282 fps Es 65 Stdev 35 65 Degrees
100gr Partition 54.0grs IMR7828 Ave(3) 3145 fps Es49 STdev 25
86gr F-Tip 54.0grs IMR7828 Ave(3) 3286 Es52 Stdev 26
All the loads are running 100-150 fps under Quickload predictions even after I updated the actual case capacities. I've been using CCI 200 primers. Seeing the large deviations I am suspecting that moving to a Magnum primer might improve velocities and lower variations. I am also noticing some smoke left over in the barrel and chamber. Although it doesn't seem like you would need a Magnum primer to light-off powder charges less than 60 grains.

More to come...

 

[preacher]

My 54gr of R19 behind the 90X in two rifles ( both had 24" barrels) got right at 3500fps. Sure, they were "warm" but this is not a "plinking round" anyhow. Remember, Weatherby ( if you can get them to admit it) load their factory ammo around 72K! One and done is their Marketing philosophy! I don't remember my church member's recipe, but he has been shooting the Nosler 95gr Partition (Mark V) for over 25yrs on everything out here! Mule deer up close to over 450yds, elk from up close to over 300yds. Its a good one!

 

[Guy Miner]

Nice! I've always been intrigued by that little Weatherby.

Have been shooting and loading for the smaller 6mm Remington since 1974, and I love the performance from the 6's. That 95 gr Nosler Ballistic Tip is the single most accurate bullet I've ever used in the 6mm, and turns out, at 3,000 fps it's a great deer bullet as well for mule deer or whitetail.

Enjoy!

Guy

 

[Partisan]

I ran a test of the same loads using CCI 250 magnum primers. The results were not statistically different than the sames loads using CCI 200 standard primers.

So, it was time to add more coal to the boiler. Latest range report all loads using IMR7828...
100gr Partition 54.0grs Ave(3) 3225 E19 S10 43 Degs
90gr AccuBond 54.5grs Ave(3) 3364 ES25 S13 43 Degs
86gr F-Tip 55.0grs Ave(3) 3391 E60 S30 43 Degs
Quickload predictions are pretty close on these loads but only if I set the weighting factor to 0.5 rather than 0.33 that is typical for "Overbore" cartridges.
More to follow...

 

[FOTIS]

58 gr of magpro in my vanguard. 3510 fps 90gr AB .65" @ 100

 

[frankm]

Fotis, what is the OAL and Mag or Std primer?

Thx Sir!

 

[FOTIS]

FED 215 match


3.157 just checked

 

[Guy Miner]

You guys are all running 24" barrels?

 

[SJB358]

That's amazing. I dig that little 240 Wby.. Got a couple things on my plate but a quick 6mm is in the hole.

 

[Partisan]

You guys are all running 24" barrels?

Yes. The Vanguards are all 24" barreled. I think most of the Mark V 240 WBY are 24" as well...

 

[frankm]

Thx for primer and OAL data!

 

[Partisan]

Results from this morning's range trip...
86gr F-Tip 56.0grs IMR 7828 seated 3.100" Ave(3) 3433 E26 S13 45 Degs 3 shot group inside 1"
90gr AccuBond 55.5 grs IMR 7828 seated 3.100" Ave(3) 3439 ES70 S36 45 Degs 3 shot group inside 1"...

It's coming in the 90gr AccuBond load is looking nice. I'm fine with the velocity it's packing over 1000 ft/lbs at 400 yards.

Next up... 85 grain partitions and I have a box of 90 grain Swift Scirocco bullets I just recieved to try. The Scirocco in .257 100 grain is my go-to bullet for the 257 WBY... More to come...