Phantom Defense pushes the boundary of suppressed rifle performance with their 8.6 Blackout ammunition. Developed by Kevin Brittingham’s team at Q LLC, the 8.6 BLK applies the proven .300 Blackout concept to a .338-caliber projectile on a .308-sized platform — delivering dramatically increased energy and terminal performance over traditional suppressed rounds. Subsonic loads run 280–350gr bullets at approximately 1,050 FPS, producing massive energy transfer while staying whisper-quiet through a suppressor. Sub-MOA capable in 1:3 twist barrels. 20 rounds per box.
Phantom Defense pushes the boundary of suppressed rifle performance with their 8.6 Blackout ammunition. Developed by Kevin Brittingham’s team at Q LLC, the 8.6 BLK applies the proven .300 Blackout concept to a .338-caliber projectile on a .308-sized platform — delivering dramatically increased energy and terminal performance over traditional suppressed rounds. Subsonic loads run 280–350gr bullets at approximately 1,050 FPS, producing massive energy transfer while staying whisper-quiet through a suppressor. Sub-MOA capable in 1:3 twist barrels. 20 rounds per box.
| Brand | Phantom Defense |
|---|---|
| Caliber | 8.6 Blackout – 300 gr Subsonic Sierra Match King HPBT – 20 CT, 8.6 Blackout – 350 gr Subsonic REX Copper Expander – 20 CT |
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