8mm Mauser / 8x57mm Mauser / 8x57mm JS Mauser High Power Load Data

20 published 8mm Mauser / 8x57mm Mauser / 8x57mm JS Mauser High Power reloading recipes across 10 powders and 1 bullet manufacturers, with bullet weights from 170 to 250 grains and recorded velocities between 1,994 and 2,541 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.

Always begin at the minimum charge weight and work up gradually. Never exceed maximum loads. Verify all data against a current published reloading manual before use. LoadDevelopment.com is not responsible for errors or omissions in this data.
Recipes
20
Powders
10
Bullet makers
1
Bullet weights
170–250 gr

Sample 8mm Mauser / 8x57mm Mauser / 8x57mm JS Mauser High Power loads

The first 5 of 20 recipes.

BulletPowderChargeVelocityCOALPrimer
Speer Semi-Spitzer 170grHodgdon H-38052.0 gr2,340 fps——
Speer Semi-Spitzer 170grHodgdon H-41453.0 gr2,442 fps——
CCB Semi-Spitzer 180grIMR IMR-303143.0 gr2,398 fps——
CCB Semi-Spitzer 180grIMR IMR-435054.0 gr2,493 fps——
CCB Semi-Spitzer 180grWinchester W-76050.0 gr2,541 fps——

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