Specification Weight : about 73g Color : BlackFeatures Full Metal Scope Mount Base With QD Nut Design to raise up the mount base level Carry Handle Top Allow installation of Aiming Devise without removing carry handle SEE-THROUGH' design allow using the original metal sight even with scope on 20mm Standard Weaver Base take any scope mounts Easy to hook up All Matt Black finish & Construct of Alloy Metal Install any red dot or scope onto this 20mm scope mount basePackage Includes 1 x Mount 2pcs x Screws