


Product Description
The CMMG AR-15 Bolt Assembly is a complete, drop-in replacement bolt built with high-quality components and precise manufacturing for dependable function and long-term service. Designed to fit mil-spec bolt carriers, this bolt assembly comes ready for installation with an extractor and ejector already installed. Durable construction and a phosphate finish help support reliable performance in demanding use.
Product Highlights
- Complete AR-15 bolt assembly designed to drop into mil-spec bolt carriers
- Includes extractor and ejector for a ready-to-install replacement
- 9310 steel bolt with phosphate finish for durability and wear resistance
- Compatible with 5.56x45mm NATO / .223 Remington and similarly sized cartridges
- Manufactured by CMMG for long-term reliability and consistent performance
Specs
- Product Type: AR-15 bolt assembly
- Compatibility: AR-15 (mil-spec bolt carrier compatible)
- Caliber Compatibility: 5.56x45mm NATO / .223 Remington (and similarly sized cartridges)
- Bolt Material: 9310 steel
- Extractor Material: 4140 steel
- Finish: Phosphate
- Color: Black (phosphate)
- Country of Manufacture: United States
- Brand: CMMG
- Manufacturer Part Number: 55BA457
- UPC: 815835012490
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