The Sons of Liberty Gun Works Bolt Carrier Group (part no. SOLGWBCG556) has its bolt face and dimensions machined for 5.56 NATO and is finished in phosphate black. SONS OF LIBERTY GUN WORKS builds the BCG as the core cycling component of an AR15’s action, driving locking, unlocking, extraction, and ejection through every cycle.

Key Specifications

• Bolt face and dimensions machined for 5.56 NATO, also safe to run standard .223 Remington ammunition.
• Finished in phosphate black, the standard mil-spec corrosion-resistant coating.
• Functions as the core cycling component of the AR15’s action, driving locking, unlocking, extraction, and ejection.

Frequently Asked Questions

What caliber is this BCG built for? 5.56 NATO, also safe to run standard .223 Remington.

What finish is this bolt carrier group? Phosphate black, the standard mil-spec corrosion-resistant coating.

Buy the SOLGW Bolt Carrier Group

Order this SOLGW BCG from SONS OF LIBERTY GUN WORKS. Order from a Lubbock, TX gun shop. Browse our full AR bolt carrier groups selection for more build parts.