Phase 5’s Mil-spec M-16 / M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt.
Details:
- Caliber: 5.56 NATO / .223 Rem / 300 BLK
- Material: 9310 Steel Bolt
- Finish: Phosphate
- Profile: M-16
- Overall Length: 7.5″
- Weight: 11.5oz
SKU: APAR501603C
SKU: APAR308503C
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