12 Gauge Benelli M1/M2, SBE 1/2/3, and Breda Auto Extension Nut


This product adapts the MXT extension tube kit to your shotgun.

Visit this page for information to ensure you order a complete kit assembly.

SKU: NUT-BN-12-00 Categories: ,


The MXT extension nut allows for installation of a Nordic Components MXT 12ga shotgun extension tube kit. The nut replaces the factory magazine cap, and is required for installation of the extension tube kit.

The BN-model nut is compatible with the following 12 gauge shotguns:

  • Benelli M1 and M2
  • Benelli SBE, SBE2, and SBE3
  • Breda B12i, B12iS, B3.5SM, and Grizzly
  • Breda 930i (2018 and later)
  • Weatherby 18i

Magazine dimples or spring retaining devices, if present, need to be smoothed or removed to allow proper function.

Note: This nut is also be compatible with other shotguns utilizing the same factory magazine thread pattern, but may require modification/fabrication for proper installation. Nordic Components does not have specific information regarding compatibility beyond the models listed in this description.

Additional information

Weight 0.135 lbs
Dimensions 9 × 5 × 2 in


There are no reviews yet.

Be the first to review “12 Gauge Benelli M1/M2, SBE 1/2/3, and Breda Auto Extension Nut”

Your email address will not be published. Required fields are marked *