Product DescriptionThe CMMG MK3 6.5 Creedmoor Bolt Carrier Group is a complete BCG engineered for Mk3 and LR-308 platform rifles. Built with a high-pressure design, this assembly helps reduce primer cratering when running high-pressure loads, making it a strong choice for precision and performance-focused shooters. The bolt is made from 9310 steel with a phosphate finish, while the carrier is constructed from 8620 steel with a chrome-lined interior and phosphate exterior for durability and dependable cycling. CMMG also equips this unit with an S7 tool steel extractor and a 17-4 stainless steel firing pin for long-term reliability.Product Highlights Complete 6.5 Creedmoor bolt carrier group for CMMG Mk3 and LR-308 platform rifles High-pressure design helps reduce primer cratering with high-pressure ammunition loads 9310 steel bolt with phosphate finish for strength and wear resistance 8620 steel carrier with chrome-lined interior and phosphate finish for smooth function and durability Includes extractor, carrier, bolt, and firing pin from a trusted American firearms parts brand Specs Product Type: Bolt Carrier Group Platform: Mk3 / LR-308 Caliber: 6.5 Creedmoor Completion: Complete Color: Black Finish: Phosphate Bolt Material: 9310 Steel Carrier Material: 8620 Steel Carrier Lining: Chrome Lined Extractor Material: S7 Tool Steel Firing Pin Material: 17-4 Stainless Steel Design: High-Pressure Included Components: Extractor, Carrier, Bolt, Firing Pin Hand: Right UPC: 815835018997 MPN: 65BA4D6 Brand: CMMG Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.