Pinned Gas Block Barrels
Faxon Pinned Gas Block barrels combine Duty Series performance with a factory-installed, precision-pinned gas system for enhanced durability and long-term reliability. Manufactured in the USA from 4150 CMV steel using traditional button rifling, each barrel is fully machined and stress relieved in-house, air gauge inspected, and 100% MPI tested. Gas blocks are precisely aligned, securely pinned, and shipped ready for installation, eliminating guesswork while providing a robust, professional-grade solution for AR-15 builds. Pinned Gas Block barrels are available in select calibers, profiles, and lengths to support demanding sporting, professional, and commercial applications.
