LaserMax Uni Rail Mounted Green Laser, requires at least 1 3/4" of rail space w/momentary activation switch

LaserMax UNI Rail Mounted Laser (Green) Requires at least 1 3/4" of rail space w/momentary activation switch. As small as a matchbox and no heavier than a single .45 ACP round, the UNI series adds error-free precision without weighing you down. Featured advanced programming and an integral rail for the attachment of additional accessories, a UNI fits virtually anything with a Picatinny or Weaver rail. Attach one to your pistol, carbine, shotgun, gun, or find an entirely new use for this revolutionary stackable rail interface! Windage and elevation settings are easily adjusted to accommodate any platform at any distance. The world's only stackable laser sighting system. The LaserMax UNI is water resistant and fully adjustable for windage/elevation.

Fits any firearm with a Picatinny or Weaver rail Quick attach/detach system permits installation in the field Automatic time-out feature prevents accidental battery drain