REQUIRES 1/7" BARREL TWIST TO PROPERLY STABILIZE BULLET, MOST 1/8” TWIST WILL ALSO WORK
20 Round Box
Velocity: 1010 Fps 16" Barrel
Muzzle Energy: 169.9 Ft/Lbs
Will not cycle in Semi-Auto
Beck Ammunition Silent Operator™ series is engineered to run at Subsonic Velocities (just below the speed of sound) and to be shot with a sound suppressor. This .223 Rem. Subsonic ammunition utilizes a Hornady 75gr Jacketed Hollow Point. This ammunition is designed to be shot suppressed (Silencer) and truly is "Hollywood Quiet." It is engineered for optimal subsonic velocity using a 16" barrel, but shoots great through most 20" barrels as well. With a proper sound suppressor, this ammunition sounds very close to a pellet gun. The fact that this subsonic ammo does not cycle in a semi-auto makes it the ultimate stealth round because keeping the bolt closed makes all the sound go through your suppressor.