The Trijicon ACOG & VCOG Mount with Q-LOC 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. Designed specifically for Trijicon ACOG & VCOG, this lightweight mount is perfect for mounting the compact ACOG on any weapon platform with a picatinny rail.FeaturesQuick release spring loaded attachment mechanismRecoil lugs ensure total rail engagementEasily remove and re-attach without needing to confirm zeroFast, one handed mounting Snag resistant knob design minimizes gear snagsOutstanding repeatable performance Designed to fit ACOG & VCOG rifle scope