N-Sight HD XR Green Dot Yellow Glock 20-36/41+S/SF

Pistol Glock Large Frame Model 20, 21, 29, 30, 36, 40 and/or 41 including S and SF Variants fits not MOS Models, Night Sight Set HD XR 3-Dot Green Self Luminous Rear Sight U-Shaped Notch Serrated Black and Thinner Front Sight Dot Yellow Outlined, Code GL604-C-600840 Trijicon USA. Rework is perhaps necessary - Professional installation recommended!-Notice from Trijicon USA:The 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 engagements and see location of hits on target at longer distances.Pistol shooters that need the advantage of a more precise engagement in any light can count on the Trijicon HD XR™ Night Sights.