The superb quality of this build features steel external parts like the receiver and aluminum parts like the outer barrel

trapping a layer of cool barrier of insulating air

when compared to traditional gas blowback systems

Kid-Friendly

CNC stainless steel cylinder and a polymer piston with steel teeth that work with high-quality 18:1 gears

PTS UNITY TACTICAL FAS MICRO RISER MOUNT goggles The superb quality of thisUnity Tactical FAST is a series of optic mounts that provide end users with a 2. 26" centerline optic height. This optic height more rapid visual processing of the battlefield by ensuring an ergonomically correct heads up posture. Further, they provide faster and easier dot reticle acquisition while wearing night vision goggles, protective masks, plate carriers and other gear. The PTS Unity Tactical FAST Micro Mount features built in standard height