Constructed for Standard Glock MOS models (does not fit Slimline Glock 43X MOS / G48 MOS); Fits any optics featuring an RMR footprint; Crafted from 6061-T6 Aluminum hardened with type III anodizing for increased corrosion-resistance; Comes with hardware and a Torx L-wrench needed for quick and easy installation; Proudly produced here in the USA; Created with precise tolerances for a perfect fit; Allows to adapt your gun to your preferences; Designed to provide a secure and stable platform for attaching optics; Compatible with all GRITR holsters; Covered by GRITR "UNLIMITED GRIT" Lifetime Warranty