Holosun LS420G Coaxial Multi-Laser and Flashlight w/ QD Picatinny Rail Mount – LS420G. The Holosun LS420G is a 7075 Aluminum bodied multi- laser aiming device. Zeroing is easy with the coaxially mounted class IIIA visible green laser, class 2M IR laser, and IR Illuminator. The LS420G also features a 600 Lumen white light and IR Illuminator focus adjustment. With a quick release picatinny rail mount, a remote pressure switch and IP67 water resistance level, this coaxial multi-laser is the perfect addition to any rifle or PDW. Features of the Holosun LS420G. Dual Lasers & Dual Illuminators. This item may be regulated for export by the U. Department of State or US Department of Commerce. 3.6″×2.9″×1.6.