This is the Trijicon RMR HD 3.25 MOA red dot sight. 

Upgrade your pistol with the new Trijicon RMR HD! 

With features like automatic brightness, button lock-out mode, and a top-loading battery, the benefits are seemingly endless. Keeping the robust electronic system safe and sound is a rugged 7075-T6 aluminum housing, providing superior durability and performance all in one compact optic. 

The large window and combination reticle make the perfect pair for handling close to medium range engagements. Whether you’re outfitting your home defense or range pistol, you can count on the Trijicon RMR HD to have your back! 

Don’t forget to add one of these Trijicon RMR HDs to your cart before you check out!