Nordic Components MXT Extension Tube Kits universally fit various 12ga shotguns to extend capacity, requiring a separately sold Extension Tube Nut for complete installation.
The kits include the extension tube, the appropriate length spring, and an end cap, with capacities selectable from +2 up to +9.
Features include anodized 6061 aluminum construction, a relief groove to prevent barrel clamp travel, and the ability to reverse the tube for adjustable placement.
These magazine extensions increase the capacity of Remington 870, 1100, and 11-87 shotguns by 7 rounds.
Constructed of blued solid steel, they come with a spring, base clamp, and a high visibility follower for enhanced reliability.
Installation requires the removal of tabs in the magazine for newer shotgun models and is supported by the included easy-to-follow instructions.
The magazine extension adds one additional round to Remington 870/1100/11-87 shotguns without increasing the gun's overall length.
Constructed from solid steel bar stock for durability, it includes a stainless steel follower for smooth feeding and reliability.
The extension comes with a sling loop for ambidextrous use and is finished in black matte, accommodating 1¼” slings.
Mossberg 590 shotgun magazine tube extension by VANG COMP SYSTEMS adds up to two extra rounds without increasing gun length.
Constructed from solid steel for enhanced durability and includes a stainless steel follower for reliable feeding.
Designed specifically for Mossberg 590A1 models and comes with a sling loop for ambidextrous use; not compatible with Mossberg 590 Shockwave.
Machined steel magazine extensions for Remington 870, 1100, and 11-87 increase capacity without permanent modifications.
Includes extended magazine spring, nylon follower, and options for sling attachment via loop or QD stud.
Designed specifically for 12 gauge models, available in 1-shot and 2-shot lengths with a gray parkerized finish.
The REMINGTON 870 EXTENSION TUBE by WILSON COMBAT increases the magazine capacity by two rounds, resulting in a total of 6 rounds.
It includes an extra-power magazine spring and a high-visibility follower for improved reliability and visual reference.
The extension tube is constructed with strong materials for resilience and has a parkerized finish, but may require modification to fit newer 870 magazine tubes.
These magazine extensions increase the capacity of your Benelli Nova, CZ712/912, or Beretta Extrema shotgun by 7 rounds.
Constructed of blued solid steel, the kit includes a spring, base clamp, and a high visibility follower, with easy-to-follow installation instructions.
The extensions come in various lengths and are designed for 12 gauge shotguns, ensuring compatibility and improved performance for home defense, competitive shooting, or law enforcement.
Machined steel magazine extensions increase capacity for Remington 870, 1100, or 11-87 shotguns without permanent modifications.
Includes a knurled, threaded collar, high-performance spring, and a high-visibility nylon follower.
Features a stationary loop for direct attachment of tactical-style slings without swivels; designed for 12 gauge only.
Scattergun Technologies™ magazine tube extensions increase the capacity of Remington® M870, 1100, and 1187 - 12 Gauge shotguns by 2 rounds, resulting in a total of 6 rounds.
Each extension is built with strong materials for durability and comes with an extra-power magazine spring and a neon green high-visibility follower for better feeding and visual empty-tube indication.
The product includes a sling mount for vertical attachment, a wave washer for secure fitting, and a parkerized finish, but may require modification to fit newer 870 magazine tubes.
The kit transforms a Mossberg 500 into a high-capacity 12 gauge shotgun with an 8-round magazine extension for self-defense.
Features a 20" barrel with a fixed cylinder choke and rifle sights for improved accuracy when firing slugs.
Includes an extended-length magazine spring and the necessary components for easy installation without a separate barrel clamp.
Precision-machined aluminum extension increases 12-gauge Winchester Super X-3 shotgun capacity by 3 rounds.
Features extra-thick walls for durability, ideal for competitive shooting, law enforcement, and home defense.
Easy installation with knurled surfaces for better grip, including tube extension, connector, spring, and follower.
The kit transforms a Mossberg 500 into a high-capacity, 12 gauge self-defense shotgun with an 8-round magazine extension.
It includes a 20-inch barrel with a fixed cylinder choke suitable for 2¾" and 3" magnum loads and a plain brass bead front sight.
The magazine extension securely attaches to the receiver, and the kit comes with an extended-length magazine spring for reliable feeding.
The CARLSONS BENELLI M1/M2/SBE Shotgun Magazine Extension Tubes increase the shotgun's capacity by 8 rounds using 2 3/4" shells.
Constructed of blued solid steel, the kit includes a spring, base clamp, and a high visibility follower, along with easy-to-follow instructions.
Designed specifically for the Benelli M1, Super Black Eagle, and M2 models in 12 gauge, these extensions are ideal for home protection, competition shooting, and law enforcement.