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

9 published .300 Whisper / .300 AAC Blackout / .300 Blackout Loading Data reloading recipes across 7 powders and 4 bullet manufacturers, with bullet weights from 125 to 240 grains and recorded velocities between 1,040 and 2,283 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
9
Powders
7
Bullet makers
4
Bullet weights
125–240 gr

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

The first 5 of 9 recipes.

BulletPowderChargeVelocityCOALPrimer
Remington Remington 125grHodgdon H-11020.6 gr2,283 fps——
Remington Remington 150grHodgdon H-11018.0 gr2,000 fps——
Speer Speer 165grAlliant RL-718.7 gr1,823 fps——
Sierra Sierra 168grAlliant 24007.9 gr1,040 fps——
Winchester Winchester 190grAlliant RL-717.6 gr1,726 fps——

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