SPIKE'S TACTICAL 5.56 NATO R2 MUZZLE BRAKE
416 Stainless steel
1/2X28 thread pitch
Large side porting
Black nitride finish
Recoil? What recoil? This brake has extremely large side ports
Spike's Tactical Lower Parts Kit
Better than Mil-Spec quality
Included
Rounded Hammer (Works with ALL Calibers) and Hammer Spring
Trigger and Trigger Spring
Disconnector and Disconnector...