This is a Mission First Tactical Compensator known as the AR-15 chambered in 223 Remington, model E2ARMD2.
Disperses gas in 6 distinct directions. This feature aids in wide gas flow to limit recoil and muzzle climb. There are slots all the way around. Slim profile matches the contour of the M4 style AR barrel" making for that clean" sleek transition.
Features:
For 5.56 Nato
416 stainless steel
Black nitride finish
Crush washer included