Troy Medieval Muzzle Brake - $44.99

Helps eliminate muzzle flash to maintain focus at night or in low-light conditions. Enlarged light slots disperse flash more effectively. Aggressive diamond-shaped teeth and hardened 4140 steel construction makes it rugged enough to serve as an improvised breaching device. Threaded for all M-16, AR-15, M4 rifles and carbines. 5.56/.223 (1/2 x 28 TPI). Made in USA.Overall length:2-1/4. Type: Accessories. - $44.99