Glock 17 gen 3 - Glock 22 - Glock 18c - Carbon8 Striker 9 - 14mm CCW Threaded Outer Barrel● 14mm CCW thread adapter for tracer units and suppressors● Lightweight, durable CNC precision machined aluminum  A 14mm CCW threaded outer barrel for a multitude of handguns including the Tokyo Marui Glock 17 gen 3, Glock 22, Glock 18c, and Carbon8 Striker 9. Add your favorite muzzle devices such as compensators, suppressors or tracer units with ease! In addition to adding a 14mm CCW thread adapter and being natively 11mm threaded, the outer barrel body is designed to be "fixed" or "non-recoiling"