This mount fits all VCOG's, the 1×42 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.

• Distance from top rail to optical axis, 3x, 4x, and 5.5x ACOG = 1.535 in. VCOG = 1.535 in. 1×42 Reflex = 1.506 in.