Mako Glock Tactical Scope Mount 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 Excellent for use with Glock stocks Allows use of iron sights Allows for installation of Red-Dot sights Improves balance and recoil control MIL-SPEC reinforced polymer composite