Davidson Defense AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group *Made In The USA*

USA-Made AR-15 5.56 NATO Complete Bolt Carrier Group

This Davidson Defense bolt carrier group delivers reliable direct impingement cycling across 5.56 NATO, .223 Remington, .300 Blackout, and .350 Legend platforms. Built with a 9310 nitride bolt and 8620 nitride carrier, this complete BCG handles standard and full-auto profile applications with mil-spec compatibility and American manufacturing.

Key Features

• 9310 alloy steel bolt with nitride finish resists wear and corrosion
• 8620 alloy steel carrier with nitride finish ensures durability across calibers
• M16 full-auto profile design compatible with mil-spec AR-15 lowers
• Forward assist machining supports standard charging handle operation
• Multi-caliber compatibility with 5.56 NATO, .223, .300 Blackout, and .350 Legend
• Complete assembly includes all components ready for installation
• Direct impingement gas system operation
• USA manufactured

Perfect For

• Builders upgrading to a reliable, multi-caliber capable BCG
• Shooters standardizing on mil-spec components across multiple uppers
• Those seeking durable nitride finishes for corrosion resistance
• Competitive shooters and range users running various caliber platforms
• Budget conscious builders prioritizing American manufacturing

Multi-Caliber Compatibility

This BCG's design supports seamless transitions between calibers. The 9310 bolt handles the pressure curves of 5.56 NATO and .223 with the same reliability as .300 Blackout and .350 Legend platforms. The M16 profile carrier ensures consistent lockup across all compatible upper assemblies, eliminating the need for caliber-specific BCG swaps when you're rotating between builds.

Nitride Finish Durability

Davidson Defense applies nitride finishing to both bolt and carrier, creating a hardened surface that resists carbon buildup and corrosion. This finish maintains its protective properties through hundreds of rounds without requiring the frequent cleaning that bare steel demands. The black nitride aesthetic matches standard AR-15 components while delivering measurable wear resistance.

Direct Impingement Performance

This complete BCG operates on direct impingement principles, routing gas from your barrel's gas port directly into the carrier key. The design cycles reliably across the pressure variations of multiple calibers, making it suitable for both standard semi-automatic and full-auto profile configurations. The forward assist machining ensures your charging handle engages properly during operation.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.