.300 Whisper / .300 AAC Blackout / .300 Blackout (Using 150/155 GR Hornady Bullets) Load Data

39 published .300 Whisper / .300 AAC Blackout / .300 Blackout (Using 150/155 GR Hornady Bullets) reloading recipes across 9 powders and 1 bullet manufacturers, with bullet weights from 150 to 150 grains and recorded velocities between 1,357 and 2,059 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
39
Powders
9
Bullet makers
1
Bullet weights
150–150 gr

Sample .300 Whisper / .300 AAC Blackout / .300 Blackout (Using 150/155 GR Hornady Bullets) loads

The first 5 of 39 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady Hornady 150grAlliant 240010.8 gr1439 fps——
Hornady Hornady 150grAlliant 240013.2 gr1691 fps——
Hornady Hornady 150grAlliant 240012.0 gr1565 fps——
Hornady Hornady 150grAccurate AAC-168016.6 gr1581 fps——
Hornady Hornady 150grAccurate AAC-168015.4 gr1496 fps——

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