The American Defense ARCA to Picatinny Tripod Adapter enables seamless attachment of ARCA Swiss style tripod heads to your railed forearm. Precision machined from 6061 T6 aluminum with hard coat T3 Mil-Spec anodized finish for maximum durability.American Defense ARCA to Picatinny Tripod Adapter (AD-ARCA-TP-TAC)Patented QD Auto Lock(TM) lever system for secure mountingPrecision machined from 6061 T6 aluminum constructionHard coat anodized finish for lifetime performanceFully adjustable to fit both in-spec and out-of-spec rail systemsNo proprietary tools required - adjustable with finger or flat blade screwdriverConfigurable lever lock position (front or rear)Perfect for precision shooters and tactical applications requiring stable tripod mounting solutions on Picatinny rail systems.