The Streamlight TLR RM 2 Compact Mounted Tactical Light is designed to securely attach to long guns with MIL Standard 1913 Rails. This weapon light produces a powerful 1,000-lumen blast of light that you can always see downrange. This gun light also features a push button switch, a strobe mode that lasts up to three hours and a safe off switch to prevent accidental activation. The tac light comes packaged as a kit, offering everything you need to mount to your long gun.