CARTRIDGE
458 (.450/11.43) Caliber
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RIFLE: 458 Winchester Mag

458 WINCHESTER MAG LOAD DATA

TWIST 1  14
PRIMER  CCI 250
BARREL LENGTH  24
BULLET WEIGHT BULLET TYPE SEAT DEPTH PROPELLANT GR FPS
 343 Peregrine Solid Copper (VRG2) Bullets /
Peregrine BushMaster (VRG3) Bullets
 15.5mm  S 321 Start gr  67.5 Start FPS 2399
Opt gr Opt FPS
Max gr Max FPS
 343 Peregrine Solid Copper (VRG2) Bullets /
Peregrine BushMaster (VRG3) Bullets
 15.5mm  S341 Start gr  74.0 Start FPS  2275
Opt gr  76.0 Opt FPS  2330
Max gr  78.0 Max FPS  2400
 380 Peregrine Solid Copper (VRG2) Bullets /
Peregrine BushMaster (VRG3) Bullets /
Peregrine PlainsMaster (VRG4) Bullets
Peregrine Match (VRG5) Bullets
 15.5mm  S341 Start gr  74.0 Start FPS  2200
Opt gr  76.0 Opt FPS  2300
Max gr  78.0 Max FPS  2400
 450 Peregrine Solid Brass (VRG1) Bullets  15.5mm  S 321 Start gr  68,4 Start FPS  2180
Opt gr  74.0 Opt FPS  2320
Max gr  76.0 Max FPS  2380
 450 Peregrine Solid Copper (VRG2) Bullets /
Peregrine BushMaster (VRG3) Bullets
 15.5mm  S 321 Start gr  68,4 Start FPS  2150
Opt gr  74.0 Opt FPS  2300
Max gr  76.0 Max FPS  2350
 480 Peregrine Solid Copper (VRG2) Bullets /
Peregrine BushMaster (VRG3) Bullets
 16.38mm  S 321 Start gr  68.0 Start FPS  2000
Opt gr  73.0 Opt FPS  2200
Max gr  75.0 Max FPS  2300
 500 Peregrine Solid Brass (VRG1) Bullets  18.50mm  S 321 Start gr  67.8 Start FPS  1880
Opt gr  71,8 Opt FPS  2100
Max gr  74.0 Max FPS  2230
 500 Peregrine Solid Copper (VRG2) Bullets /
Peregrine BushMaster (VRG3) Bullets
 18.50mm  S 321 Start gr  67.8 Start FPS  1850
Opt gr  71,8 Opt FPS  2083
Max gr  74.0 Max FPS  2200
 500 Peregrine Solid Copper (VRG2) Bullets /
Peregrine BushMaster (VRG3) Bullets
 18.50mm  S 335  Start gr  67.0  Start FPS  1850
 Opt gr  Opt FPS
 Max gr  70.0  Max FPS  2100
Disclaimer:
Reloading can be dangerous as equipment differs and our published data can not take into consideration all the possible variants. All reloading and firing of reloaded ammunition is done at your own risk and PEREGRINE BULLETS can not be held responsible for the correctness of any reloading information provided. The load data published by PEREGRINE BULLETS is intended as a guide only and for use by experienced re-loaders familiar with safe reloading techniques. Always start with a conservative and reduced load then work up to the recommended load in a safe and responsible manner.

This page was last updated on 31 August 2015. Click the button below for the most recent reloading data sheet. 

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