Please see the differences below between the standard Black warhead Motor and the Base version

SHOOT QUIETER THUS NOT GIVING AWAY YOUR POSITION

and adjustable 2-strap system

We also recommend using these goggles in combination with either the Valken Kilo Mesh Mask

PTS UNITY TACTICAL FAST FTC 30MM MAG MOUNT Sig Air Please see the differences belowUnity 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. FAST FTC Magnifier Mounts feature the first ever Flip To Center (FTC)