Heavy-Wall (Mossberg) Barrel Clamp with Picatinny Rail, 12ga.


SKU: BCT-12-MB Category: Brand:


The Nordic Components heavy-walled shotgun barrel clamp provides extra rigidity for your magazine extension.  Includes Picatinny rail and mounting screw.  Suitable for use with Mossberg 590/590A1/835/935, Benelli Nova/Supernova, and other shotguns with heavy/overbored barrels or larger barrel-to-magazine offset.

Not compatible with:

  • Browning Auto-5, Remington Model 11, Savage 720/725, or any other shotguns with reciprocating barrels

Designed for Nordic extension tubes (1.060″ diameter) but may be compatible with other models.

Note:  The shotgun barrel clamp makes contact with your barrel and may damage/wear the finish on your barrel with use. We recommend using masking tape applied to the inside of the clamp fingers that contact the barrel to alleviate finish wear. Because we have no control over the installation of this product, Nordic Components is not responsible for any resulting wear or damage. Do not apply anything to the clamp fingers that contact the magazine tube.

Additional information

Weight 0.34 lbs
Dimensions 9 x 4 x 1 in


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