Designed for mounting 1? optics on Picatinny/Weaver rails. Two rail-clamping thumb screws enable tool-less mounting/dismounting of optics to AR-style rifles. 6061-T6 aluminum construction, Type-III hard coat anodized, matte black finish.

Features:For 1" tube diameter;Picatinny/Weaver rail compatible;Low-profile mounting height;4-hole mounting ring;Cross-lock base design