9mm bolt carrier group compatible for use with both GLOCK® and Colt® style 9mm AR-15 magazines without any further modifications. Technical Specifications Machined from 8620 alloy steel with a QPQ black nitride finish Compatible with both GLOCK® and Colt® 9mm AR-15 magazines For use with a standard AR-15 hammer Features removable weight for use with Law Tactical folding stock adapter
