Rail-Mountface shield system designed to fit helmets with side rails. Shield, locks into the stowed or deployed positions and can be released with one hand. Pivot and lock assembly can be transferred to right or left of the shield for individual preference. Features: Available in NIJ 0104.02 Or NIJ 0104.02, V50 Polycarbonate lens, hardened and scratch resistant Easily installed onto piccatinny rail sets by rail adapters that slide, adjust and attach to desired location Adjustable lens clearance is compatible with helmets with accessories i.e. shrouds Compatible on Full, Mid and High-cut helmets installed with piccatinny rail set Shield locks for stowed or deployed positions with release by hand Pivot and lock assembly transferrable to the right or left of the shield for individual preference 8" lens length 100% MADE IN USA