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Nordic Components 12 gauge Shotgun Extension Tube These Nordic Components Shotgun +1 Extension Tube Kit allow you to change the length of an existing This tube kit is sold without the shotgun specific nut. Nuts can be purchased separately.
Part Number: NC-MXT-TBS-12-1K
Availability: Out of Stock - 0

Weight : 0.5

Nordic Components 12 gauge Shotgun +1 Shell Extension Tube Kit less the Firearms Specific Nut

This extension tube kit requires an MXT EXTENSION TUBE NUT to be installed on your shotgun and will not attach without the nut. Available nuts are shown in the Related Items section at the bottom of this page.

These Nordic Components Shotgun Extension Tube Kits allow you to change the length of your shotguns fixed magazine tube when used in conjunction with a Nordic Components Extension Tube Nut ( sold separately). This kit included the integral end cap, extension tube and magazine tube spring.  

Note: May require modification of shotgun for installation and/or proper function. Any spring/follower retention devices will have to be removed to allow extension to function. Most Remington shotguns will have dimples in the factory magazine that will need to be removed.

This Nordic Component Extension Tube Kit is sized to hold (2) 2 3/4 inch shells. They are not designed to fit flush with the end of your barrel. Do not buy a Nordic Components Extension Tube Kit with the expectation that it will fit flush with end of your barrel. If one does happen to fit flush with your barrel, it is a coincidence.

The included spring is 45 inches long and will need to be trimmed to fit.

This extension tube kit is sold without the firearms specific tube nut. Tube nuts can be purchased separately. The various Nordic Components Tube Nuts can be purchased separately and can be seen in the Related Items section below.

This tube kit (+1 shell tube and integral end cap) is 2.66 inches long.

Length: 2.66"

Note: The +1 tube has an integral cap, as pictured, and does not require a separate cap.

Additional information on Nordic Components Shotgun Extension Tubes:
  • If you are not 100% satisfied with a new Nordic Components product, we'll refund your money! Obtain an RMA #, include a copy of your receipt, return the new unused item to us within 10 days from the date delivered and we will issue a refund.
  • Once you install a Nordic Components extension tube, it becomes a used product and used products are not eligible for refund, exchange, or return (threading the extension tube onto the fixed magazine tube constitutes installation).
  • There is sufficient information provided above describing the overall length of each extension tube for an informed purchase decision to be made. Please use the provided information to make absolutely sure that the correct length tube is selected. Once you receive this item and if it appears too long for your application, do not install it as that will void your ability to return the item.
  • Shipping charges are not refundable and we can not accept returns on special order items.
  • Returns of new items due to buyer decision are subject to 15% re-stocking fee.


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