NcSTAR Blue Four Reticle Reflex - QR Mount - Black Sling Mounts Installation is easy (under the

Installation is easy (under the pistol grip) and requires minimal tools and skill

1/8" FPT Air line attachment

small flashlight

Or use the Wolverine cylinder with its own head instead

or warranted by GLOCK

NcSTAR Blue Four Reticle Reflex - QR Mount - Black Sling Mounts Installation is easy (under theBLUE colored Four Reticle set: Dot, Star Burst, Cross, Bullseye Locking Quick Release Mount for mounting onto Weaver Picatinny type rails. LED (Light Emitting Diode) 100% Safe for the Eyes. Unlimited Eye Relief for flexible mounting position on a firearm New BLUE colored reticles make the reticle Pop! Makes it easier for the shooter to quickly acquire the Blue reticles against your target and it's background clutter Blue Color reticles alos works