The Battle Arms Development 556 Titanium Bolt Carrier Group is a lightweight, corrosion-resistant upgrade for AR-15 and M16 pattern rifles.
- Part Type: Bolt Carrier Group
- Compatible Firearms: AR-15, M16, and AR-15 pattern rifles chambered in 5.56 NATO / .223 Remington
- Material: Aerospace-grade titanium carrier, steel bolt
- Finish: Natural titanium
- Installation: Drop-in (buffer/gas system tuning may be required)
- Includes: Bolt, carrier, cam pin, firing pin
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