Unity Fast Aems Fde 10.5"x7.75"x2.75" you'll have an easier time

you'll have an easier time breathing

the front lens cover will fold back so that it is not damaged

water resistant

or chemicals

Get multiple uses out of your personal alarm with a built-in

Unity Fast Aems Fde 10.5"x7.75"x2.75" you'll have an easier timeFAST is a series of optic mounts and platforms that provide end users with a quicker sight picture than standard height mounts. A 2. 26" optical centerline height provides faster easier reticle acquisition while wearing electronic ear pro communications headsets, night vision goggles and gas masks and allows for more rapid visual processing of the battlefield by promoting a heads up posture. A heads up posture also helps users maintain a neutral spine