Description

M16 / M4 CHROME LINED BLACK PHOSPHATE COMPLETE BOLT CARRIER GROUP

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.

Specifications:

• Caliber: 5.56 NATO / .223 Rem / 300 BLK
• Material: 9310 Steel Bolt
• Finish: Phosphate
• Profile: M-16