The Glock Fixed Rear Sight 6.1MM Poly survives every condition. It has truly excellent mechanisms that deliver top-performance. The Glock Fixed Rear Sight 6.1MM is constructed of a durable black Polymer and has a very sleek design. It is rugged and compact and delivers great advantages to hunters. This sight is very easy to install and use.You will definitely enjoy the experience of owning this amazing device. The Glock Fixed Rear Sight 6.1MM Poly is also waterproof, fog proof and dustproof.

Designed for Gen 1 thru 4

Factory Glock Tritium 6.5mm Rear Night Sight - NR17G24.

GLOCK night sights are equipped with contrasting tritium inserts, enabling simple, accurate and quick target alignment in all light conditions.

Type: Night-sight
Position: Rear
Size: 6.5mm
Material: Steel

Models: Fits all models except G42, G43
Standard height on G17, G19, G22, G23, G26, G27, G33, G34, G35, G37, G38, G39 (including Gen4)