Cryptic .223/5.56/.300 AAC Blackout Bolt Assembly - Complete

Cryptic .223/5.56/.300 AAC Blackout Bolt Assembly - Complete bolt assembly for AR-15. Machined from Mil-Spec Carpenter 158 steel with shot peening, includes Mil-Spec 4140 billet tool steel extractor with spring and Viton O-ring, Mil-Spec ejector and spring. High Pressure Test (HPT) and Magnetic Particle Inspection (MPI). Comes assembled. Specifications: Manufacturer Cryptic; Fabric/Material: 4140 Billet Tool Steel, Carpenter 158 Steel; Carrier Material: 8620 Steel; Bolt Material: Steel; Caliber: .300 AAC Blackout, 5.56x45mm NATO, .223 Remington; Gun Make: AR Platform; Gun Model: AR-15; Hand: Ambidextrous; Weight: 2 oz; Included Accessories: Standard; Package Contents: Cryptic .223/5.56/.300 AAC Blackout 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; Compatible with AR-15 as stated by the manufacturer.