American Defense Manufacturing AD-170-VPG QD Mount Solution for Picatinny Rail 5 lug Black AD-170-VPG 5LUG STD-TL. 60" rise above the mounting surface. Overall length is 2.3". It accepts all VPG bolt on rails that come in both 3 lug and 5 lug variations. It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the Patented QD Auto Lock Lever system to accommodate both in spec and out of spec rail systems. Specifications for American Defense Manufacturing AD-170-VPG QD Mount Solution for Picatinny Rail: Manufacturer: American Defense Manufacturing Color: Black Base/Mount Type: QD mount Condition: New Additional Features: Titanium Lever 5 Lug Package Contents: American Defense Manufacturing AD-170-VPG QD Mount Solution for Picatinny Rail American Defense Manufacturing AD-170-VPG 5LUG STD-TL: AD-170-VPG QD Mount Solution for Picatinny Rail 5 lug Black