NC Shotgun Tube Clamp connects the magazine extension tube and the barrel. Fits Mossberg 590, 835, 930 SPX, 935 or any Mossberg shotgun with a heavy a walled barrel, when used with a Nordic Components Extension. Includes a tactical mini-rail. This is made to fit shotguns using a Nordic Components magazine tube extension. Our tube has an OD of 1.06″.

NOT FOR USE ON BROWNING AUTO-5 or any Recoil operated shotgun where the barrel moves to eject and load the shells!

NOT FOR USE ON THE REMINGTON M887!

NOT FOR USE ON THE M930 TACTICAL WITH BREACHER MUZZLE!