Cryptic .223 / 5.56 / .300 AAC Blackout Low Mass Steel Bolt Carrier Group BCG Mystic Midnight CC-LMS-0109. Carrier is machined from Mil-Spec 8620 tool steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the Mil-Spec...
Cryptic .223 / 5.56 / .300 AAC Blackout Low Mass Steel Bolt Carrier Group BCG Mystic Midnight CC-LMS-0109. Carrier is machined from Mil-Spec 8620 tool steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the Mil-Spec...