The Maker Overwatch Field 220gr 300 Blackout ammo utilizes the Maker Bullets 220gr 300Blk REX expanding solid copper projectile. The bullet is designed to perform optimally at 300 blackout subsonic velocities to ranges of 100 + yds with upto 3X expansion and nearly 100% weight retention.
Test Barrel: Saami/Wiseman 300blk 16" 1:7
Muzzle Velocity: 1000 fps
Muzzle Energy: 489 ft lbs
Lancer or GI mags recommended