If you've heard of the Trijicon ACOGA(R) (Advanced Combat Optical Gunsight), you likely know about the legendary performance this platform offers. The ACOG 1.5x24 model, offers a battery-free dual illuminated reticle pattern that works in any lighting conditions, with the added freedom of eye movement afforded by a larger exit pupil and longer eye relief. The Trijicon Compact ACOG Mount w/ Q-LOC(TM) Technology features a Mil-Spec drop test rated 6061-T6 aluminum design, with an easy to use one handed tool less mounting system. The spring-loaded design allows for constant retention and maintaining of zero even if the knobs are not tightened. The mount boasts a low weight and low profile design with superior return to zero performance and is compatible with any Mil-Spec or NATO Picatinny rail. - Matte black anodized finish - Made in the USA