HM Defense HM Defense, Bolt, 223REM/556NATO/300 Blackout, Black Nitride, Includes Cam Pin Retail: $125.00 Was: Now: $114.95 Out of stock
HM Defense HM Defense, Bolt, 223REM/556NATO/300 Blackout, Black Nitride, Includes Cam Pin Existing Mil-Spec M16 and AR-15 bolts have a natural weak point where the cam pin hole passes through the bolt. Under extreme user, including competition and combat, current Mil-Spec bolts can... Retail: $125.00 Was: Now: $114.95 Out of stock