Burris® FastFire™ Mount Description: The AD-22 Burris FastFire Mount was designed as a quick detach solution for the Burris FastFire mini red dot optic. 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. Features: The AD-22 Burris FastFire Mount features the Patented QD Auto Lock™ Lever system which has the following advantages: - Does not require proprietary tools for adjustment. - Can be adjusted with your finger or a flat blade screwdriver. - Lever can be configured to lock to the front or the rear. - Superior clamping surface to insure maximum rail engagement. Materials & Construction The AD-22 Burris FastFire Mount is precision CNC machined from a block of 6061 T6 aluminum and finished in hard coat type 3 Mil-Spec anodize for a rock hard lasting finish. - Precision machined from 6061 T6 Aluminum. - Hard coat anodized for a lifetime of performance. - Fully adjustable to fit both in spec and out of spec rail systems. - American Defense MFG, LLC. products feature a lifetime warranty. - Features the Patented QD Auto Lock™ Lever system. - Made with pride in the U.S.A. Specifications: The AD-22 Burris FastFire Mount has the following specifications: - Weight: 2.00 ounces