Trijicon Quick Release Mount | Fits 3.5X | 4.5X | 5.5X ACOGs | 1-6X VCOG | and 1X42 Reflex with ACOG Base

This mount fits all VCOG's, the 1x42 Reflex (with ACOG base), and the 3.5x, 4x, and 5.5x ACOG's. The AC12033 quick release mount utilizes a single lever system. It features the patented BLAC lever system which requires no manual adjustments to attain a proper, rock solid engagement on a 1913 picatinny rail. KEY FEATURES: Distance from top rail to optical axis, 3x, 4x, and 5.5x ACOG = 1.535 in. VCOG = 1.535 in. 1x42 Reflex = 1.506 in.