10 published .300 Whisper / .300 AAC Blackout / .300 Blackout (Subsonic Pistol Loads) reloading recipes across 10 powders and 2 bullet manufacturers, with bullet weights from 200 to 230 grains and recorded velocities between 1,027 and 1,167 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.
The first 5 of 10 recipes.
| Bullet | Powder | Charge | Velocity | COAL | Primer |
|---|---|---|---|---|---|
| Lapua SP Mega 200gr | Accurate AAC-1680 | 12.0 gr | 1111 fps | 2.070 | Federal Premium AR Match Small Rifle |
| Lapua SP Mega 200gr | Accurate AAC-5744 | 11.0 gr | 1167 fps | 2.070 | Federal Premium AR Match Small Rifle |
| Lapua SP Mega 200gr | Shooters World Blackout | 11.5 gr | 1123 fps | 2.070 | Federal Premium AR Match Small Rifle |
| Lapua SP Mega 200gr | Hodgdon CFE BLK | 12.0 gr | 1134 fps | 2.070 | Federal Premium AR Match Small Rifle |
| Lapua SP Mega 200gr | Accurate LT-30 | 12.0 gr | 1121 fps | 2.070 | Federal Premium AR Match Small Rifle |
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