SKU: NCMXT-TBS-12-8K
UPC: 816696021522
The Nordic +8 MXT Kit 12ga Black is a magazine extension system designed to increase the capacity of 12-gauge shotgun platforms by eight additional rounds. Built by Nordic Components, this extension tube kit works in conjunction with the proper extension tube nut to deliver a straightforward capacity upgrade for operators and shooters who need more rounds on target without changing their primary firearm.
The kit comprises a precision-engineered extension tube, tube cap, and full-length spring—all critical components for reliable feeding and function. The tube is constructed from anodized 6061 aluminum, which offers corrosion resistance and durability in field conditions while maintaining a lightweight profile. The black anodized finish provides a professional appearance and adds an additional protective layer against wear and oxidation. Proper spring tension and tube geometry are essential for consistent chambering, and Nordic Components' engineering ensures both when installed correctly with the matching extension tube nut.
This extension is suited for tactical operators, competitive shotgun shooters, and law enforcement personnel running pump or semi-automatic 12-gauge platforms who require increased ammunition capacity for extended engagements or competition stages. Extended tubes are standard upgrades in 3-gun competition, home defense configurations, and operational settings where reload frequency needs to be minimized. The eight-round increase represents a meaningful jump in firepower without requiring a magazine change, reducing transition time and maintaining target focus during critical moments.
Nordic Components' magazine extensions are built to OEM specifications and operate seamlessly with standard 12-gauge ammunition. Proper installation with the matching tube nut is essential—ensure compatibility with your specific shotgun platform before ordering. The kit ships with all components necessary for the extension assembly; the extension tube nut must be purchased separately if not already in your inventory.
WARNING ⚠️
You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
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