Sons of Liberty Gun Works AR 15 Bolt Carrier Group
Lowest Listed Price
$199
MSRP
$199
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Updated
Aug 26, 2026
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Specifications
Brand
MPN
SOLGWBCG556
Description
Sons of Liberty Gun Works AR 15 Bolt Carrier GroupThe Sons of Liberty Gun Works AR-15 Bolt Carrier Group is engineered for durability and reliability, meeting and surpassing Mil-Spec expectations. Built from high-quality materials and rigorously tested, this BCG is designed for hard use, ensuring your AR-15 is up to any challenge. Every component is meticulously crafted to operate with absolute precision and durability, from the manganese phosphate-coated 8620 steel carrier to the Carpenter 158 alloy bolt, which is HPT- and MPI-tested.Features Carpenter 158 Bolt: Made from Carpenter Technology No. 158 alloy, shot peened, high-pressure tested, and magnetic particle inspected for strength and reliability. 8620 Steel Carrier: Full-auto profile carrier with a manganese phosphate coating for enhanced durability and corrosion resistance. 4130 Chromoly Gas Key: Precision-ground interface, secured with grade eight staked hex screws to prevent loosening. High-Quality Components: Includes a 4340 tool steel extractor, S7 tool steel ejector, 4340 Chromoly cam pin, and a hard-chrome plated 8640 steel alloy firing pin.Specifications Carrier Material: 8620 aircraft-quality steel, full-auto profile Finish: Manganese phosphate Bolt Material: Carpenter 158 alloy, shot peened, HPT, and MPI Gas Key Material: 4130 Chromoly, properly staked Extractor Material: 4340 tool steel, shot peened Ejector Material: S7 tool steel, shot peened Cam Pin Material: 4340 Chromoly with solid film lubricant Firing Pin Material: 8640 steel alloy, chrome-platedWith SOLGW's AR-15 Bolt Carrier Group, users experience enhanced durability and stability thanks to high-quality materials and specialized processes like shot peening and magnetic particle inspection. This BCG is engineered to perform reliably in harsh conditions, making it a dependable choice for any AR-15 build or upgrade. With unmatched quality and built-in reliability, this BCG is made for those who demand the best. Crafted in the USA and ready to keep your rifle running smoothly for years to come.
