264 QL

Best several in speed:

Code:
Cartridge          : .264 Win. Mag.
Bullet             : .264, 140, Hornady A-MAX 26332
Useable Case Capaci: 77.269 grain H2O = 5.017 cm³
Cartridge O.A.L. L6: 3.500 inch = 88.90 mm
Barrel Length      : 26.0 inch = 660.4 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 62000 psi, or 427 MPa
or a maximum loading ratio or filling of 105 %
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 !

Powder type          Filling/Loading Ratio  Charge    Charge   Vel. Prop.Burnt P max  P muzz  B_Time
                                      %     Grains    Gramm   fps     %       psi     psi    ms
---------------------------------  -----------------------------------------------------------------
Vihtavuori N570                     99.1     74.4     4.82    3250    98.9    62000   16209   1.273  ! Near Maximum !
Alliant Reloder-33                  99.5     77.9     5.05    3235    99.2    62000   15993   1.277  ! Near Maximum !
Alliant Reloder-50                 105.0     80.9     5.24    3220    98.8    61492   16306   1.309  ! Near Maximum !
Hodgdon H870                       105.0     77.2     5.00    3218    99.7    61704   15543   1.282  ! Near Maximum !
Hodgdon Retumbo                    102.7     73.5     4.76    3202   100.0    62000   14040   1.266  ! Near Maximum !
Norma 217                          104.8     73.5     4.76    3201   100.0    62000   14430   1.291  ! Near Maximum !
Vihtavuori N560                     91.0     66.2     4.29    3182   100.0    62000   14472   1.267  ! Near Maximum !
Accurate MAGPRO                     91.3     69.1     4.48    3178    99.7    62000   14711   1.276  ! Near Maximum !
Norma MRP 2                         98.3     70.0     4.54    3177   100.0    62000   14344   1.283  ! Near Maximum !
IMR 7828 SSC                        90.1     65.9     4.27    3172   100.0    62000   13997   1.257  ! Near Maximum !
IMR 7828                            95.2     65.9     4.27    3172   100.0    62000   13997   1.257  ! Near Maximum !
Norma MRP                           89.1     66.3     4.29    3163   100.0    62000   13813   1.278  ! Near Maximum !
Hodgdon H1000                       99.9     70.4     4.56    3162   100.0    62000   13670   1.253  ! Near Maximum !
Vihtavuori 24N41                   102.3     77.6     5.03    3162    94.9    62000   15065   1.257  ! Near Maximum !
Alliant Reloder-25                  96.1     68.1     4.41    3151   100.0    62000   13300   1.273  ! Near Maximum !
Alliant Reloder-22                  91.3     65.8     4.26    3149   100.0    62000   13739   1.273  ! Near Maximum !
 
Thanks a lot!! Should help me out a bit as books these days are waaay to conservative for the 264. I have retumbo, h1000, and rl22. I imagine I'll mess with retumbo/h1000.
 
You are not going to find many books listing data for an OAL of 3.5" or more. Modeling non-SAMMI specs' is 1 of the major advantages of QL. BTW, RL-33 is on some store shelves.
Good luck.
 
I have used and do use quite a bit of N570 in a variety of overbore cartridges. I do not shoot in what most would consider "hot" weather. I do not find the powder to be particularly temperature sensitive.
 
Back
Top