The GIS Glock Scope Mount is a highly functional and cost affective upgrade for your Glock handgun, enables an upper picatinny rail for optics and a front under side rail for foregrips or flashlights.
Advantages:
Accepts all 1913 MIL-STD Picatinny based sights
Durable and lightweight fiberglass reinforced polymer construction
Original sights remain functional
Quick and easy installation
Facilitates prompt sight alignment
Adds a front underside accessory rail in place of the used original