The American Defense Manufacturing AD-DELTA Cantilever Scope Mount is designed for mounting riflescopes on flattop AR platform rifles. The rings on the AD-DELTA mount are split horizontally unlike the ADM RECON scope mounts and has 2" of eye-relief built into the mount. The AD-DELTA mount is machined from 6061 T1 aluminum and finished with T3 anodized hard coat. The patented QD Auto Lock Lever System is now made from titanium for maximum durability and weight reduction. Features of the American Defense Manufacturing AD-DELTA Scope Mount Precision Machined Hard Coat Anodized Fully Adjustable Works With Spec & Out Of Spec Rails Made in USA DEMO ADM AD-DELTA 30mm FDE Scope Mount w/2" Offset & Dual QD Titanium Lever AD-DELTA-C-30-FDE-TL - Like New Condition USED10601