CMC AR-15 Mil-Spec Bolt Carrier Group 5.56 NATO

CMC AR-15 Mil-Spec Bolt Carrier Group

The CMC bolt carrier group represents a straightforward approach to AR-15 reliability. Built to military specifications, this component serves as the heart of your rifle's operating system.

Key Features

• Mil-Spec Construction: Meets military standards for durability and performance
• 5.56 NATO/.223 Remington Compatible: Functions reliably across both cartridge types
• AR-15 Platform: Drop-in fit for standard AR-15 receivers
• Black Finish: Durable coating resists corrosion
• Proven Design: Time-tested configuration trusted by shooters

What You Get

This bolt carrier group includes all essential components: the carrier, bolt, firing pin, and cam pin. Installation requires no special tools—simply drop it into your upper receiver and you're ready to function-test.

Performance Considerations

Mil-Spec components prioritize reliability over features. You won't find exotic coatings or exotic materials here. Instead, you get a straightforward, proven design that has served military and civilian shooters for decades. Pair this with quality ammunition and proper maintenance, and you have a foundation for consistent performance.

Whether you're building your first AR-15 or maintaining an existing rifle, the CMC bolt carrier group delivers the dependability modern shooters expect.