weyllan mlok arca rail arca dovetail rail for mlok system bipod adapter tripod mount quick release plate mlok to picatinny rail all metal mk240 compatiable arca & rrs dovetail standard occupy 6 slots 240mm mlok arca rail is up for auction in Sports & Outdoors. The current bid is $1.00, 97% below the $28.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.