The Sons Of Liberty Gun Works Solgw 6 Arc Bcg Phosphate Blk is a purpose-built bolt carrier group engineered for modern AR-pattern rifles chambered in 6mm Arc, 6.5 Grendel, and related Arc variants. Using a Carpenter 158 bolt with a durable phosphate finish, this BCG is designed around the heart of the rifle’s operating cycle to deliver consistent locking, unlocking, extraction, and ejection with every round.

This bolt carrier group is ideal for shooters building or upgrading precision-oriented 6mm Arc or 6.5 Grendel rifles for range use, training, or hunting where reliability is critical. Its carefully selected steels, heat treatment, and inspection standards support long-term performance while maintaining smooth function in demanding conditions. The design reflects Sons Of Liberty Gun Works’ focus on dependable components and meticulous manufacturing.

• Manufacturer: Sons of Liberty Gun Works
• Model: Bolt Carrier Group
• Finish Color: Phosphate, Black
• Type: Bolt Carrier Group
• Compatibility: 6mm Arc, 6.5 Grendel, .22 Arc, 338 Arc
• Bolt Material: Carpenter 158 Alloy