Glock Handgun Sight Polymer Rear 6.1mm for All Models Except 42/43/43x/48

Features:

• Glock Polymer Rear sight (OEM) 6.1/-1
• Provides the lowest bullet impact
• Fits all Glock models except G42/43
• Generally issued standard with M/17L (long slide pistols)
• Part number 2 on the Glock Schematic.