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If you're planning to run a Nordic Components MXT extension tube on your 12 gauge, this is the part that makes the whole thing possible. The nut takes the place of your factory magazine cap and creates the threaded connection point where the extension tube attaches. Without it, an MXT tube kit has nothing to thread onto, so think of this as the foundation piece rather than an optional add-on.
It's cut from billet aluminum and finished in matte black anodizing, so it holds up to weather and handling without adding meaningful weight to the front of your gun. That matters on a shotgun you're swinging on clays or carrying in the field all day. The finish also blends in cleanly with the black MXT tubes, keeping the look consistent from receiver to muzzle.
This is the BR-model nut, and it covers a wide spread of popular 12 gauge platforms. It works with the Benelli Nova and Supernova, Beretta 1301 Competition and Tactical, 391 Xtrema and Xtrema II, and A400 Xtreme and Xtreme Plus, along with the CZ 612, 712, and 912 and the Weatherby SA-08. Worth noting up front: it will not fit the A400 Xplor or Xcel, since those use a different gas system and cap interface.
Installation is about as simple as it gets. You back off the factory magazine cap, thread this nut on in its place, and you're ready to add your MXT tube. On some guns you may run into a magazine dimple or a spring-retaining device inside the tube that needs to be smoothed out or removed for everything to cycle right, which is normal for extension setups. If your specific model isn't on the list, it may still work if the thread pattern matches, though that can call for a little fitting. When in doubt, Nordic's MXT fit guide is the fastest way to confirm you're grabbing the right nut before you order.
Yes. The MXT extension nut replaces your factory magazine cap and is what the extension tube threads onto. The tube kit has no way to attach without the correct model-specific nut, so this piece is required for the setup to work.
This BR-model nut fits the Benelli Nova and Supernova, Beretta 1301 Competition and Tactical, 391 Xtrema and Xtrema II, and A400 Xtreme and Xtreme Plus, plus the CZ 612, 712, and 912 and the Weatherby SA-08. It will not fit the Beretta A400 Xplor or Xcel. If your exact model isn't listed, check the Nordic Components fit guide before ordering.
No, this listing is for the extension nut only. You'll need to pair it with a Nordic Components MXT extension tube kit, which includes the tube, cap, and full-length spring. The nut is the adapter that connects that kit to your shotgun.
For most listed models it's a straightforward swap with the factory cap. Some magazine tubes have dimples or spring-retaining devices inside that need to be smoothed or removed so the extension can cycle properly. That's typical for extension installs and only takes a few minutes with basic tools.
| UPC | 816696020808 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | NUT-BR-12-00 |
| Color | Black |
| Model | |
| Product Type | Shotgun Magazine Tube Components |
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