Nordic Components +2 MXT Shotgun Magazine Extension Tube Kit – 12 Gauge

More Rounds. Less Weight. Proven in the Field & on the Podium.

Upgrade your shotgun’s firepower with the Nordic Components +2 MXT Magazine Extension Tube Kit—a lightweight, battle-proven solution designed for serious shooters who demand reliability and versatility from their 12-gauge platform.

Machined from anodized 6061 aluminum, this +2 extension delivers rugged durability without unnecessary weight. When paired with a Nordic MXT extension nut (required, sold separately), it adds two extra rounds of 2.75" ammunition to your existing magazine—ideal for competitive shooting, home defense, tactical applications, or extended-range hunting.

Whether you’re running drills or racing against the clock, the MXT +2 keeps you loaded and in control.

⚠️ Requires Nordic MXT Extension Nut (sold separately) to attach to your shotgun’s magazine tube.

Key Features

• +2 Capacity for 12-Gauge Shotguns
  Increases magazine tube capacity by two rounds (based on 2.75" star-crimped shells).

• Lightweight, Durable Construction
  CNC-machined from 6061-T6 anodized aluminum for maximum strength-to-weight ratio.

• Modular, Reversible Design
  Features matching threads on both ends for reversible orientation and easier positioning. The off-center relief groove allows adjustable barrel clamp placement for a perfect fit every time.

• Secure & Repeatable Placement
  Includes a relief groove to eliminate barrel clamp travel and maintain zero after disassembly.

• Includes Everything You Need (Except the Nut)
  Comes with the extension tube, full-length spring, and end cap (except on +1 models where the cap is integrated).

Compatibility & Installation Notes

• Requires a Nordic Components MXT Extension Nut (sold separately) to attach to your shotgun.

• Compatible with most 12-gauge shotguns (Remington, Mossberg, Benelli, Stoeger, etc.)—consult Nordic’s MXT Fit Guide for model-specific details.

• Some shotguns (like Remington 870s) may require removal of magazine dimples or internal retention devices for proper installation and function.

• Capacities are based on 2.75" shells—for 3" or 3.5", increase extension size accordingly.

Product Specifications

Ideal For:

• 3-Gun and tactical competition shooters

• Shotgun home defense or patrol builds

• Waterfowl and predator hunters needing more rounds

• DIY builders upgrading factory tubes

Why Choose Nordic Components?

Nordic Components is the gold standard in shotgun magazine extensions, trusted by world-class competitors, law enforcement, and hunters alike. Their MXT series offers the most modular, customizable, and durable magazine extensions on the market—backed by proven performance and American-made quality.