Tufforce Barrel Clamp Mount for Shotgun & Paintball, MT-B1725 0.7 to 1.06 inch (18-27mm)Diameterbarrelclampwitha sidemount side mount with 4 slots ForLaserorOtherSmallAccessoryAttachment PrecisionMachinedOutofPremium6061AircraftAluminum Fit for shot gun and Paintball