Cryptic .308 WIN/7.62x51mm Bolt Assembly – Complete

Bolt assembly machined from either Mil-Spec Carpenter 158 steel, shot peened for increased strength per Mil-Spec, includes Mil-Spec 4140 billet tool steel extractor w/ spring and viton o-ring, Mil-Spec ejector and spring. HPT (High Pressure Batch Tested) and MPI (Magnetic Particle Inspected). Comes Assembled. Specifications for Cryptic .308 WIN/7.62x51mm Bolt Assembly – Complete: Manufacturer: Cryptic Fabric/Material: Carpenter 158 Steel, 4140 Billet Tool Steel Cartridge: 7.62x51mm NATO, .308 Winchester Gun Make: AR Platform Gun Model: AR-10 Hand: Ambidextrous Included Accessories: Standard Weight: 2 oz Bolt Material: Steel Carrier Material: 8620 Steel Package Contents: Cryptic .308 WIN/7.62x51mm Bolt Assembly – Complete Bolt Tool Steel Extractor Assembly (spring with viton insert pin extractor) Ejector Assembly (ejector spring roll pin) Gas Rings – Set of 3