The Sons of Liberty Gun Works complete bolt carrier group is the reliable heart of your next rifle. Each component has been precision machined from quality materials, coming together to deliver peak reliability for your AR-15 build. Individually inspected for magnetic particle defects, high pressure tested, and full-auto test fired at assembly, this SOLGW AR-15 BCG is built for dependable performance.

Features: 
 

• Manganese phosphate finish for corrosion resistance
• HPT and MPI
• Hard chromed bore and gas key
• Carpenter Technology 158 alloy bolt (shot peened)
• 4340 Tool steel extractor (shot peened)
• S7 Tool steel ejector (shot peened)
• Full auto profile 8620 alloy carrier
• 4130 Chromoly gas key with staked hex screws
• 4340 Chromoly cam pin
• 8640 steel alloy firing pin with chrome plating

The Sons of Liberty Gun Works AR-15 BCG includes shot peening to help improve strength, along with a precision ground gas key interface on the carrier to help secure the gas key in place. The cam pin features a solid film lubricant to help reduce wear when the bolt is unlocking, and the hard chrome plated firing pin helps prevent breakage. This complete bolt carrier assembly is designed to help keep your AR-15 running reliably for years to come. 

Sons of Liberty Gun Works is a custom rifle manufacturer in the United States that specializes in the AR-15 platform. They are known for attention to the details that matter in a reliable rifle, with a focus on function over form. From full rifles to individual parts, you can’t go wrong with SOLGW.

Specifications

Who makes Sons of Liberty Gun Works BCG?
Sons of Liberty Gun Works makes its own bolt carrier groups for the AR-15 platform.

Is Sons of Liberty Gun Works a good brand?
Sons of Liberty Gun Works is known for reliable AR-15 components and a strong focus on function, quality control, and durability.

Which is better, Geissele or Sons of Liberty?
Both are respected brands. The best choice depends on your build goals, preferred features, and budget.