by AR15 Tactical | Apr 22, 2012 | AR-15 Complete Upper Receivers, AR-15 Upper Receivers |
TNW QUICK CHANGE UPPER ASSEMBLY FOR AR 15 RIFLES The SGP-QCB Upper Assembly TNW Firearms has revolutionized the modern rifle with an innovative design that utilizes a built-in Gas Piston System with an integral Quick Change barrel! This new piston upper has a quick...
