Holosun LS117R Red Collimated Laser Sight w/ QD Picatinny Rail Mount – LS117R. The Holosun LS117R is a 7075 Aluminum bodied class IIIA visible red laser aiming device. With a quick release picatinny rail mount, a remote pressure switch and IP67 water resistance level, this green laser is the perfect addition to any rifle or PDW. Features of the Holosun LS117R. Collimated Red Laser Pointer. This item may be regulated for export by the U. Department of State or US Department of Commerce. 3″x1.5″x1.3.