Cryptic 6.5mm Grendel/7.62x39mm Bolt Assembly - Complete

Bolt assembly machined from Mil-Spec Carpenter 158 steel, shot peened for increased strength per Mil-Spec, includes Mil-Spec 4140 billet tool steel extractor with spring and viton o-ring, Mil-Spec ejector and spring. HPT (High Pressure Batch Tested) and MPI (Magnetic Particle Inspected). Comes assembled. Specifications: Manufacturer Cryptic; Finish Chrome Plated; Fabric/Material 4140 Billet Tool Steel, Carpenter 158 Steel; Carrier Material 8620 Steel; Bolt Material Steel; Caliber 6.5mm Grendel, 7.62x39mm; Gun Make AR Platform; Gun Model AR-15; Hand Ambidextrous; Weight 2 oz; Condition New; Included Accessories Standard; Included items: Mil-Spec extractor assembly (spring with viton insert pin extractor), Ejector Assembly (ejector spring roll pin), Gas Rings - Set of 3.