Amer. Def. Delta 30Mm Q.D. Scope Mount Black Fn Scar Addelta30Std

FEATURES:-Precision machined from 6061 T6 aluminum, hard coat T3 Mil-Spec anodize finish-Features the Patented QD Auto Lock™ Lever System to accommodate both in spec & out of spec rail systems-Can be adjusted w/ your finger ( no tools necessary)-Black, 30mm Rings-Lifetime Warranty