The Midwest Industries MK2 Quick Detach Aimpoint ACRO Mount features superior clamping technology that won't damage or mar rail surfaces with smooth operation and a multi-faceted adjustment nut for precise tension control.Midwest Industries MK2 QD Aimpoint ACRO Mount - Low HeightHard coat anodized 6061 aluminum constructionPrecision machined for exact fitmentTool-free adjustment for user convenienceFits rails not machined to mil-spec tolerancesPatented smooth functioning QD lever by Elite DefenseLow mount configurationBlack anodized finishIdeal for tactical applications where quick optic deployment and removal is essential this mount provides reliable performance with professional-grade construction and innovative design features.