The Daniel Defense Complete 5.56 NATO Bolt Carrier Group is a fully assembled, mil-spec bolt carrier group designed for reliable performance in AR-15 and M4 platforms. Manufactured to Daniel Defense’s stringent quality standards, this BCG is phosphate-coated for corrosion resistance and includes a properly staked gas key for long-term durability.
It comes complete with a chrome-lined carrier, bolt, firing pin, cam pin, and retaining pin — ready to drop into your upper receiver for immediate use.
Key Specifications:
- Caliber: 5.56 NATO
- Material: 8620 steel carrier, 9310 steel bolt
- Finish: Phosphate coated
- Gas Key: Properly staked
- Extractor: Enhanced with upgraded spring and insert
- Compatibility: Standard AR-15 / M4 platforms
- Weight: Approximately 11.5 oz (complete assembly)
- Made in the USA
Why Choose the Daniel Defense Complete 5.56 NATO Bolt Carrier Group?
- Factory Assembled & Staked — Ready to install with a properly staked gas key for maximum reliability.
- Premium Materials — 8620 carrier and 9310 bolt provide excellent strength and longevity.
- Enhanced Extractor — Upgraded spring and insert improve extraction reliability with various ammunition.
- Corrosion Resistance — Phosphate coating protects against rust and wear in harsh conditions.
- Daniel Defense Quality — Backed by one of the most trusted names in AR-15 components for consistent performance.
This complete BCG is an excellent choice for building a new upper, replacing a worn factory group, or maintaining a high-round-count rifle.
