This version of the Offset Scout Mount is specific to Q-Sert direct thread handguards and will not function with M-LOK or other interfaces. It replaces the stock picatinny rail adapter with a low profile mount for Q-Sert handguards and includes integrated anti-rotation QD swivel socket.Features :Fits Scout light Modlite PLH and OKWArisaka 300600and 18650Provides Three Lateral Mounting Positions for Mounting,Length 2.43";"Weight .5oz"