Nordic Components +7 MXT Shotgun Magazine Extension Tube Kit – 12 Gauge
Not Yet Rated | Write the First Review SKU: 222-NOR-MXT-TBS-12-7
UPC: 816696000000

Nordic Components +7 MXT Shotgun Magazine Extension Tube Kit – 12 Gauge

More Rounds. Mission Ready. Built to Win.

Upgrade your shotgun’s capacity and competitive edge with the Nordic Components +7 MXT Magazine Extension Tube Kit. Engineered for serious 3-Gun competitors, tactical shooters, and hunters who demand uncompromising performance, this complete +7 round extension kit transforms your 12-gauge shotgun into a high-capacity powerhouse.

Crafted from lightweight yet rugged 6061-T6 aluminum and anodized for corrosion resistance, the MXT extension tube adds 7 extra shells (2.75") to your existing magazine. Whether you're pushing your limits on the clock or securing your home, this kit is built to keep you shooting longer—with fewer reloads.

Key Features

• +7 Round Capacity Boost
  Adds 7 additional 2.75" shells to your magazine. Ideal for competition, tactical roles, and high-volume shooting.

• Complete Kit – Just Add the Nut
  Includes extension tube, full-length spring, and end cap. (Note: Nordic MXT Extension Nut required, sold separately.)

• Lightweight & Durable
  Precision-machined from 6061 aluminum with a hard anodized finish for maximum strength without added weight.

• Anti-Shift Relief Groove
  Grooved design prevents barrel clamp travel and ensures consistent alignment even after disassembly.

• Reversible Tube Design
  Threaded identically on both ends with off-center groove—rotate for optimal clamp and barrel clearance.

• Modular & Expandable
  Works with all Nordic MXT components, offering true plug-and-play versatility.

Compatibility Notes

• ✅ Fits most 12 Gauge shotguns with compatible MXT extension nuts

• 🔧 Requires an MXT Extension Nut (sold separately) for installation

• 🛠 May require internal mag dimple removal or spring retainer removal on some shotguns (e.g., Remington 870, Mossberg 930)

• 📏 To confirm length compatibility with your barrel, refer to the MXT Fit Guide

Ideal For:

• 3-Gun and tactical competition shooters

• Law enforcement and home defense upgrades

• Shotgun builds requiring maximum firepower

• Anyone needing +7 capacity without sacrificing reliability

Product Specifications

Why Choose Nordic Components?

Used by elite competition shooters and tactical professionals around the world, Nordic Components' MXT system is the most trusted modular magazine tube solution on the market. Built in the USA, engineered for abuse, and fully customizable—it's the ultimate upgrade for serious shotgun users.