.300 Whisper / .300 AAC Blackout / .300 Blackout Load Data

36 published .300 Whisper / .300 AAC Blackout / .300 Blackout reloading recipes across 7 powders and 5 bullet manufacturers, with bullet weights from 110 to 250 grains and recorded velocities between 980 and 2,379 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
36
Powders
7
Bullet makers
5
Bullet weights
110–250 gr

Sample .300 Whisper / .300 AAC Blackout / .300 Blackout loads

The first 5 of 36 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady V-Max 110grHodgdon H-11020.0 gr2361 fps——
Sierra Hollow Point 110grHodgdon H-11018.5 gr2282 fps——
Hornady V-Max 110grIMR IMR-422719.0 gr2050 fps——
Barnes TSX FB 110grHodgdon Lil'Gun19.5 gr2362 fps——
Hornady V-Max 110grHodgdon Lil'Gun18.0 gr2379 fps——

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