.300 Whisper / .300 AAC Blackout / .300 Blackout (Shooters World) Load Data

18 published .300 Whisper / .300 AAC Blackout / .300 Blackout (Shooters World) reloading recipes across 3 powders and 3 bullet manufacturers, with bullet weights from 125 to 220 grains and recorded velocities between 1,013 and 2,184 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
18
Powders
3
Bullet makers
3
Bullet weights
125–220 gr

Sample .300 Whisper / .300 AAC Blackout / .300 Blackout (Shooters World) loads

The first 5 of 18 recipes.

BulletPowderChargeVelocityCOALPrimer
Sierra MK 125grShooters World Heavy Pistol14.2 gr2004 fps2.245—
Sierra MK 125grShooters World Heavy Pistol13.0 gr1842 fps2.245—
Sierra HP 125grShooters World Powder SBR16.0 gr1784 fps2.245—
Sierra HP 125grShooters World Powder SBR21.0 gr2184 fps2.245—
Hornady FTX 135grShooters World Powder SBR14.0 gr1524 fps2.120—

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