.300 Whisper / .300 AAC Blackout / .300 Blackout (Using 190 GR Hornady Bullets) Load Data

43 published .300 Whisper / .300 AAC Blackout / .300 Blackout (Using 190 GR Hornady Bullets) reloading recipes across 11 powders and 1 bullet manufacturers, with bullet weights from 190 to 190 grains and recorded velocities between 1,061 and 1,697 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
43
Powders
11
Bullet makers
1
Bullet weights
190–190 gr

Sample .300 Whisper / .300 AAC Blackout / .300 Blackout (Using 190 GR Hornady Bullets) loads

The first 5 of 43 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady BTSP 190grAlliant 240010.1 gr1310 fps——
Hornady BTSP 190grAlliant 24009.2 gr1211 fps——
Hornady BTSP 190grAlliant 240011.1 gr1408 fps——
Hornady BTSP 190grAccurate AAC-168014.0 gr1363 fps——
Hornady BTSP 190grAccurate AAC-168012.9 gr1290 fps——

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