Cryptic 6.5mm Grendel II Bolt Carrier Group (BCG) - Complete

Cryptic 6.5mm Grendel II Bolt Carrier Group - Complete. Coated Bolt Carrier Group BCG (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. Gas key is chrome lined and heat treated, secured to carrier with Grade 8 fasteners and properly staked per Mil-Specs. 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: - Caliber: 6.5mm Grendel II - Finish: Chrome Plated - Fabric/Material: 8620 Aircraft Quality Steel, Carpenter 158 Steel - Carrier Material: 8620 Steel - Bolt Material: Steel - Gun Make: AR Platform - Gun Model: M16, M4, AR-15 - Weight: 11.55 oz - Condition: New - Hand: Ambidextrous - Included Accessories: Standard Features of Cryptic 6.5mm Grendel II BCG Features: Reduced Carbon Fouling; Easier Cleaning; Full Auto Carrier (Backward compatible with all semi-auto rifles) Package Contents: - Cryptic 6.5mm Grendel II Bolt Carrier Group - Complete - Gas Key - Key Staked with Grade 8 Screws - Bolt w/ Spring and Ejector - Extractor w/ Spring and viton O-ring - Firing Pin - Cam Pin