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Bolt: 9310 Steel, Phosphate Finish Carrier: 8620 Steel, Chrome Lined, Phosphate Finish Extractor: 4140 Steel, Phosphate Finish The M16 Bolt Carrier Group is a complete Mil-Spec assembly designed for 5.56mm/.223 and 300 BLK calibers. Crafted with high-quality materials for enhanced durability and performance, the bolt is made from 9310 steel with a phosphate finish, while the carrier is constructed from 8620 steel with a chrome-lined, phosphate finish for increased longevity. The extractor is made from 4140 steel with a phosphate finish, ensuring reliable function. Built to meet rigorous standards, this bolt carrier group is backed by CMMG's Lifetime Quality Guarantee. Specifications Brand: CMMG Manufacturer part #: 55BA419 UPC: 852005002431 Category: On Gun & Other Accessories › Barrels & Accessories Shipping weight: 1 lb Country of origin: US Ships fast from GunCycle — free economy shipping on orders $99.99+.
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🇺🇸 Ship from USA · On Agora since 2026
$174.44