Holosun RMLt-GR Rail Mounted Green Laser Sight w/Titanium Housing RMLt-GR. Upgrade your handgun setup with Holosuns RMLt. This single emitter laser sight is compatible with pistols, or any firearm equipped with a picatinny rail, and offers excellent zero retention. Its windage and elevation adjustments produce audible and tactile clicks, and the titanium housing delivers superior durability. In addition, the RMLt works well with the more common duty holsters. Features of the RML. Works on pistols and rifles. Compatible with common duty holsters. Available with red or green laser. This item may be regulated for export by the U. Department of State or US Department of Commerce.