Cryptic Bolt Carrier Group BCG - Complete 6.5mm Grendel II Mystic Gold

Cryptic 6.5mm Grendel II Bolt Carrier Group - Complete. AR-15/M16/M4 bolt carrier group machined from Mil-Spec 8620 aircraft-quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes chrome lined and heat treated gas key secured to carrier with Grade 8 fasteners and properly staked per Mil-Spec. The bolt assembly is CNC machined from Mil-Spec Carpenter No. 158 steel and shot peened for increased strength per Mil-Spec. HPT (High Pressure Batch Tested) and MPI (Magnetic Particle Inspected). Specifications for Cryptic 6.5mm Grendel II Bolt Carrier Group (BCG) - Complete: Manufacturer Cryptic; Finish Chrome Plated; Fabric/Material 8620 Aircraft Quality Steel, Carpenter 158 Steel; Carrier Material 8620 Steel; Bolt Material Steel; Caliber 6.5mm Grendel II; Gun Make AR Platform; Gun Model M16, M4, AR-15; Hand Ambidextrous; Weight 11.55 oz; Condition New; Additional Features Thickness - 2-3 microns; Included Accessories Standard