Product DescriptionThe Angstadt Arms AR-15 9mm Bolt Carrier Group is built to help your 9mm AR run reliably across common magazine patterns without additional modifications. Machined from durable 8620 alloy steel and finished in QPQ black nitride, this bolt carrier group is designed for smooth cycling and long-lasting corrosion resistance. It is compatible with both GLOCK and Colt-style 9mm AR-15 magazines and is intended for use with a standard AR-15 hammer. A removable weight is included to support setups using the Law Tactical folding stock adapter.Product Highlights Compatible with both GLOCK and Colt pattern 9mm AR-15 magazines (no additional modifications required) Designed for use with a standard AR-15 hammer Removable weight supports use with a Law Tactical folding stock adapter Machined from 8620 alloy steel for strength and durability QPQ black nitride finish for enhanced wear and corrosion resistanceSpecs Brand: Angstadt Arms Product Type: Bolt Carrier Group (BCG) / Bolt Carrier Assembly Caliber: 9mm (9mm Luger) Platform/Fit: AR-15 Material: 8620 alloy steel Finish: QPQ Black Nitride Compatibility: GLOCK and Colt style 9mm AR-15 magazines; standard AR-15 hammer MPN: AA09BCGNIT UPC: 867114000148Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.