Wilson Combat Steel Extension Tube for 12 Gauge Remington 870/1100/11-87 - Parkerized Black Finish, Adds 2 Rounds, Right Hand

The Wilson Combat Steel Extension Tube for 12 Gauge Remington 870/1100/11-87 is purpose-built to add two rounds of capacity to your shotgun's magazine without the bulk or complexity of aftermarket modifications. If you run a Remington 870, 1100, or 11-87 and want practical extra capacity for hunting, sport shooting, or home defense, this right-hand extension delivers genuine utility with proven reliability. The parkerized black finish stands up to field use and doesn't draw attention—it's the kind of upgrade that simply works.

Wilson Combat engineered this tube to be straightforward: it bolts onto your existing shotgun, increases your on-board ammo count, and includes the components you need for smooth operation. The high-visibility follower lets you confirm an empty magazine at a glance, and the included extra-power spring ensures consistent feeding without fuss. The sling mount on the left side accommodates right-hand shooters who want to sling their gun without interference. This is no-frills, proven gear from a maker known for quality shotgun work.

The parkerized finish is durable and subdued—not a cosmetic upgrade, but a protective coating that handles hard use. Whether you're putting rounds downrange at a 3-gun match, hunting waterfowl where reload speed matters, or simply want the security of a fuller magazine tube, this extension does one job well. It's the kind of part that disappears into your workflow because it just keeps working.

Key Features

• Adds two rounds to your magazine capacity on Remington 870, 1100, and 11-87 shotguns
• Parkerized black finish resists corrosion and blends with standard shotgun finishes
• High-visibility follower provides quick visual reference of magazine status
• Extra-power magazine spring included for reliable feeding
• Right-hand sling mount positioned on left side of tube
• Steel construction built for hard use and repeated cycling

Specifications

Frequently Asked Questions

Will this fit my Remington 870, 1100, or 11-87?

Yes. This extension tube is designed specifically for these three Remington shotgun models. The parkerized finish and mounting system are engineered to work with the factory magazine tube on all three.

How many total rounds will my shotgun hold after installation?

The extension adds two rounds, bringing total magazine capacity to six rounds. Your shotgun's original capacity plus the two-round extension equals six total in the tube.

What's included in the box?

You receive the steel extension tube, an extra-power magazine spring, a high-visibility follower, and a wave washer. Everything needed to install the extension is included.

Is the sling mount suitable for left-hand shooters?

No. This extension is designed specifically for right-hand shooters, with the sling mount positioned on the left side of the tube to avoid interference with your shooting hand and support-side arm.