XTS FLASH CONE MUZZLE BRAKE .223/5.56 NATO MEDIUM MZ FS223M by Xtreme Tactical Sports $14.95 Black - $14.95 FDE - $14.95 Black FDE Color 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart XTS FLASH CONE MUZZLE BRAKE .223/5.56 NATO MEDIUM Forward Sounding Device Length: 2.385" OD: 1.375" .223/5.56NATO Thread: ½ x 28 Available in Black or FDE (Flat Dark Earth)