The SLx RS-10R Mini Reflex Sight takes all the value and innovation of the RS-10 and pairs it with the Holosun 507c footprint allowing for more compatibility with pistol slides and mounts. This optic offers an ultra bright reticle usable in all lighting conditions 23x19mm multi-coated lenses night vision compatibility and an ultra-long battery runtime with a side-loading battery slot. On top of the already impressive battery life the RS-10R features AutoLive technology that automatically turns off the dot when not in use and snaps on immediately when it detect motion further improving battery life. As pistol-mounted reflex sights continue to grow in popularity the SLx RS-10R offers a lot of functionality and it comes with a guarantee of quality alongside a comprehensive lifetime warranty. This Primary Arms red dot sight is part of the SLx optics line. SLx optics have built a reputation for innovation reliability and value. All SLx optics undergo rigorous field-testing during development to best serve you in any environment.