Daniel Defense 04707146: Daniel Defense has expanded its line of optics mounts to offer secure mounting for the most standard size scopes. It features Daniel\'s patented Rock & Lock mounting technology for easy installation and removal with Torx Plus fasteners at the base and rings. The mount is precision machined from 6061-T6 aluminum with hard coat anodizing finish. The variable power scope mount weighs in at just 5.5 ounces and is manufactured with the same quality and durability you\'ve come to expect from all Daniel Defense products.This model has a black finish and two (2) 30mm rings.