Phase 5 AR-15 Bolt Carrier Groups
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Phase 5 Weapon Systems M16 Cut Bolt Carrier Group for AR-15 – .223/5.56 NATO
Upgrade Your AR15 with the Best Black Phosphate BCG from Phase 5 Tactical The Phase 5 Weapon Systems M16 Cut Bolt Carrier Group is a high-quality upgrade designed for M16/M4/AR-15...
Phase 5’s BCG is a high-quality, mil-spec style part, with phosphate finish and chrome-lined gas key.
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