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The Nordic Components MXT +5 extension kit gives you an extra five rounds of magazine capacity without replacing your existing tube. It's built from anodized 6061 aluminum that's lightweight yet durable, and it ships with everything you need: the extension tube, a full-length replacement spring, and the end cap. This kit is designed for 2.75 inch shells, though it can also handle 3 inch loads with some spring adjustment.
Installation is straightforward but requires the MXT extension tube nut that matches your shotgun model. The nut replaces your factory magazine cap and serves as the connection point for the extension. Most modern shotguns have a compatible nut option available, from Benelli and Beretta to Mossberg, Remington, Winchester, and others. Some older guns or specific models may need minor modifications to factory dimples or spring-retention devices, so it's worth checking the Nordic Components fit guide before ordering.
The machined relief groove eliminates barrel clamp travel and gives you repeatable placement after disassembly. The groove is offset, which means you can reverse the tube position without any tools if your setup calls for it. Both ends have matching thread pitch, so you get flexibility in how you configure it. The black anodized finish looks utilitarian and resists corrosion without drawing attention.
Nordic Components has built a solid reputation with folks who run shotguns hard. Competition shooters especially appreciate the reliability and fit quality. The modular MXT system means you can also upgrade tubes later if you want more capacity, pairing different extensions together. That said, this is just the tube kit, so make sure you have or plan to get the matching extension nut for your specific shotgun.
Yes, you'll need the MXT extension tube nut specific to your shotgun model. The nut replaces your factory magazine cap and creates the connection point for the extension. Nordic Components makes model-specific nuts for Benelli, Beretta, Mossberg, Remington, Winchester, and many other popular shotguns. Check their fit guide to identify the correct nut for your gun.
Yes, but with a caveat. The +5 rating is based on standard 2.75 inch star-crimped shells. With 3 inch shells, you'll generally get about one fewer round than the rated capacity. If you plan to shoot 3.5 inch shells, you may lose up to two rounds of capacity. You can adjust the supplied spring during installation to dial in the exact fit for your load.
Nordic Components makes the MXT system compatible with most modern 12 gauge shotguns, including Benelli, Beretta, Mossberg, Remington, and Winchester models. However, some guns (like the Mossberg 500/535) cannot accept extensions. Check Nordic's fit guide or contact their customer service to verify compatibility before purchasing.
Most installations don't, but some shotguns have magazine tube dimples or spring-retention devices that need to be removed or smoothed. Remington 870s are known for having dimples. These are typically minor modifications that a gunsmith can handle, though some owners do it themselves with basic tools.
| UPC | 816696021492 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MXT-TBS-12-5 |
| Caliber/Gauge | 12 Gauge |
| Capacity | 5 |
| Color | Black |
| Model | |
| Product Type | Magazine Extension |
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