GLOCK Pistol Steel Shock Resistant Front Sight.
Size (height of the sight):
• 4.1 mm (Factory height)
Fits all GLOCK pistol models.
Requires Glock Front Sight hexagonal tool to screw in the flat head screw, Item 21-990018.
For use with Steel rear Sight.
Glock OEM part number:
• Installation by certified gunsmith is recommended.