The American Defense RECON-SL scope mount features the patented QD Auto Lock System for reliable quick release functionality on 34mm scope tubes. Built for tactical applications with precision engineering.American Defense RECON-SL Scope Mount (AD-RECON-SL-34-TAC)Quick Release 34mm scope tube compatibilityPatented QD Auto Lock System technologyTactical black finish for durabilityPrecise manufacturing for long-term reliabilityDurable construction for demanding conditionsIdeal for tactical shooters and professionals requiring fast secure scope mounting with the reliability of American Defense's proven QD Auto Lock System.