Description And features AGM-2116 ADM QR Mount is the advanced base for Adder series of thermal scopes. AGM-2116 mount with two 30 mm rings features two throw levers for added mount security. The quick release weapon mount attaches to the thermal scope and affixes it to any Weaver or Picatinny rails system without the use of additional tools or throw levers. Offered the 2" cantilever throws the scope out front, allowing you to get the right eye relief. It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the QD Auto Lock(TM) Lever system to accommodate both in spec and out of spec rail systems. Weight: 238 g / 8.4 oz Dimensions: 150 x 50 x 67 cm / 5.9 x 2.0 x 2.6 in Centerline Heist: 37.3 mm / 1.47 in QD Auto Lock(TM) Lever system Fast and easy installation Lightweight and durable all-metal design For mounting to any Weaver or Picatinny rails Easy-to-use adjustable brackets with torque preset Lever can be configured to lock to the front or the rear Superior clamping surface to insure maximum rail engagement 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 Made in the U.S.A.