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The MXT +6 from Nordic Components is a solid upgrade if you want more rounds downrange without swapping shotguns. It's designed to add six shells to your existing magazine capacity when paired with the appropriate MXT extension tube nut (sold separately). The tube is made from anodized 6061 aluminum, which keeps things lightweight while delivering the strength needed for competition shooting, range work, or tactical use. Think of it as the no-nonsense approach to extended capacity.
What sets this extension apart is the attention to detail. The anodized aluminum construction gives you excellent corrosion resistance, which matters if you're running your shotgun in wet conditions or salt environments. The finish is low-glare matte black, so it blends with most shotgun setups without looking like an afterthought. Inside the kit, you get the extension tube itself, a full-length magazine spring optimized for reliable feeding, and a tube cap. All the pieces are precision-machined so they work smoothly together.
The real-world design touches show here. There's a machined relief groove that prevents barrel clamp travel and ensures the tube sits in the same spot every time after you take it apart and reassemble. The groove isn't centered, so you can flip the tube around if you need to adjust positioning without any tools. Thread pitch is the same on both ends, which gives you flexibility. The extension accommodates standard 2.75-inch and 3-inch shells, though capacity will vary depending on which you're running.
This is a tube-only kit, meaning you'll need the shotgun-specific MXT extension nut to make it work on your gun. That nut isn't included here because Nordic built the system modular, letting you customize capacity across different shotguns if you run multiple guns. Installation is straightforward if you're comfortable taking off your old cap and spring, inserting the new components, and running a tube nut down. Some shotgun models with dimples or retention devices in the factory magazine tube may need those removed first, which takes a few minutes with basic tools.
No, the extension nut is sold separately. You'll need to purchase the shotgun-specific MXT extension nut that matches your model. The modular design lets you use the same nut across different tube capacities if you run multiple shotguns.
Yes, it's compatible with standard 2.75" and 3" shells. However, the actual capacity depends on which shell length you're loading. With 2.75" shells you'll get the full six additional rounds, but with 3" shells the number may be slightly less due to physical length.
Installation involves removing your existing cap and spring, installing the new spring and tube into the magazine tube, then threading the nut down. Some shotguns with factory dimples or retention devices in the magazine tube may require removing those first. Nordic recommends checking their fit guide for your specific shotgun model to confirm it's compatible.
Yes. The relief groove is off-center and threaded at both ends, so you can flip the tube around to relocate the groove position without any tools. This is useful for fine-tuning fitment on different shotgun models.
| UPC | 816696021508 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MXT-TBS-12-6 |
| Caliber/Gauge | 12 Gauge |
| Capacity | 6 |
| Color | Black |
| Model | |
| Product Type | Magazine Extension |
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