12 Gauge Winchester Extension Nut (Winchester 120/1200/1300, Stevens 320)


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-WIN-120 Categories: ,


Reloading is for suckers.
Expand your magazine capacity with a Nordic Components extension nut and tube kit.

If you’re looking for more capacity, this 12 gauge Winchester extension nut is half the equation, allowing installation of a Nordic Components 12ga shotgun extension tube kit on your 12 gauge Winchester or Stevens shotgun. The nut is required for installation of the tube kit.

The WIN-120 nut is compatible with the following 12 gauge shotguns:

  • Winchester 1200
  • Winchester/Ranger 120
  • Winchester 1300
  • Stevens 320

Any magazine dimples or spring retaining devices will need to be smoothed or removed to allow proper function.

Note: This 12 gauge Winchester extension nut will also be compatible with other shotguns utilizing the same factory magazine thread pattern, but may require modification/fabrication for proper installation. Visit the shotgun extension fit guide for information on other shotgun models.

Additional information

Weight 0.09 lbs
Dimensions 9 × 5 × 2 in


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