The Trijicon HD XR Glock Night Sights is the next sights you need. TRIJICON HD XR NS FOR GLK 9/40 ORG T: Building on the features of the current HD(TM) Night Sights, the Trijicon HD XR(TM) 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 engagements and see location of hits on target at longer distances. The Trijicon HD XR Glock Night Sights is truly a remarkable set of sights.
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