Green laser with universal barrel mount and pressure switch.
Specifications and Features:
All aluminum construction.
532nm Green Laser Beam <5mw.
Universal barrel mount bolts to most rifle and shotgun barrels.
Momentary on and off cap switch and coil pressure switch included.
Powered by 1 CR123A Lithium type battery (included).
Dimensions(in): 3.55(l) x 1.59(w) x 2.76(h)