The Holosun HS515 GM Micro Red Dot comes equipped with the innovative Multiple Reticle System (MRS) and advanced LED technology capable of squeezing up to 50,000 hours of life from a single battery. MRS gives you the flexibility to change reticles with the push of a button. If you need a precise shot, run the 2 MOA dot only. When you need a reticle for fast target acquisition, turn on the 65 MOA circle with the push of a button. The best part? There's no need to re-zero when switching reticles. The HS515 also features Shake Awake motion-sensing technology that powers up the optic with the slightest movement. Multi-coated lens offer a parallax-free sight picture with unlimited eye relief. Durable 7075-T6 aluminum construction is unaffected by extreme weather conditions. Advanced LED technology gives you up to 50,000 hours of use on single battery Multiple Reticle System allows you to use either a 2 MOA red dot or 65 MOA red circle with no re-zeroing required Parallax-free sight picture with unlimited eye relief Shake Awake technology powers up at the slightest movement CNC-milled 7075 aluminum housing Side-mounted CR2032 battery IPX8 certified waterproof Includes flip-up lens covers, kill flash, and QD 2-piece mount Order today!