You have no items in your shopping cart.

Login for Special Pricing

MXT-TBS-12-1K Nordic Components MXT Tube Kit +1 12GA

Manufacturer: Nordic Components
Manufacturer part number: MXT-TBS-12-1K
UPC: 816696021454
Availability: In stock
+ -

The Nordic Components MXT 12GA Shotgun Magazine Extension Tube +1 Kit (MXT-TBS-12-1K) increases the existing shotgun capacity and from 6061 aluminum that is anodized. Used in conjunction with the MXT extension tube nut, this tube kit will add the stated number of rounds (+1 to +9) to your existing magazine capacity. All capacities are measured using 2.75″ star-crimped shells; for use with 3″ or 3.5″, increase your selection by one or two rounds.


  • Anodized 6061 aluminum for strength and weight
  • Relief groove located off-center to allow location adjustment by reversing the tube
  • Machined with matching thread pitch on both ends to allow reversing the tube

Kit Includes:

  • Extension Tube (The +1 tube has an integral cap and does not require a separate cap.)
  • Full-length Spring

Note: Requires an MXT extension tube nut to be installed on your shotgun (NOT Included).

Customers who bought this item also bought

Nordic Components Remington 12GA Barrel Nut


Login for Special Pricing


Nordic Components 12 GA Low Drag Follower


Login for Special Pricing


Nordic Components Beretta 12GA Barrel Nut


Login for Special Pricing


Aero Precision Adjustable .750 Low Profile Gas Block - Black


Login for Special Pricing