Hdxr Front; - For S&w M&p Holders label the internal pockets and

label the internal pockets and the kit map on the back

- Build Your Own: Freedom to customize your grip

Fits: 500 Nitro Express 3"

- Generation III night vision

- Bolt Catch Detent Spring

Hdxr Front; - For S&w M&p Holders label the internal pockets andThe Trijicon HD XR Night Sights were specifically designed with the ever evolving challenges of law enforcement agencies in mind. Building on the features of the current HD Night Sights, the Trijicon HD XR night sights are for the next level of advanced target identification and engagement at increased distances. A thinner front sight post allows shooters to have a larger field of view which further enhances the ability to identify targets, expedite