Description
Getting a sling onto a break-action or over/under shotgun has always been the tricky part, since there's rarely a good spot up front to mount a swivel without drilling. The Uncle Mike's 15912 solves that by clamping a split band directly around the barrel, so you skip the gunsmithing and keep your forend exactly the way the factory made it.
This set is built for 12 gauge single-barrel and over/under shotguns with a barrel diameter running .850 to .900 inches. The band splits open, wraps around the barrel, and cinches down with screws, no tools beyond a screwdriver and no need to take anything apart. It's a common fix for guns like the Stoeger Uplander and other single-shot break guns where the barrel is bare metal with nowhere else to attach. Once it's snug, you've got a 1-inch quick-detach loop ready for any standard sling, and the swivels pop on and off when you want to run the gun without one.
What Sets the 15912 Split Band Apart
The finish is blued steel, so it sits low and blends in with a traditional shotgun instead of standing out. It ships as a two-pack, giving you the front barrel band plus a rear attachment point so you can rig both ends of your sling. Folks who've run these over the years tend to point out that the swivels themselves are strong and the barrel clamps hold up well in the field, which is why the design has stuck around for decades.
Fitting the 15912 to Your Shotgun
Measuring your barrel first is the move here. Uncle Mike's makes this magnum band in several diameter ranges, and the 15912 is specifically the .850 to .900 size, so a quick check with calipers saves you a return. If your barrel falls just under that spread, the 15932 covers .800 to .850. This one is not made for 28 gauge or .410 shotguns. Tighten the clamp screws evenly and firmly for the most secure hold, and you'll have a carry solution that saves your shoulders on the long walk back to the truck.
Key Specifications
- Manufacturer: Uncle Mike's
- Manufacturer Part Number: 15912
- UPC: 043699159123
- Style: QD 115 SG-1 Magnum Band
- Gauge Fit: 12 Gauge Single & Over/Under
- Barrel Diameter Range: .850 – .900 inches
- Loop Size: 1 inch
- Finish: Blued
- Material: Steel
- Attachment Type: Split Barrel Band, Quick Detach
- Pack Quantity: 2-Piece Set
- Country of Origin: United States
What’s Included
- Magnum split barrel band swivel (front)
- Rear attachment swivel
- Mounting screws
- Installation instructions
Frequently Asked Questions
Will the 15912 magnum band fit my shotgun?
This set is sized for 12 gauge single-barrel and over/under shotguns with a barrel diameter between .850 and .900 inches. Measuring your barrel with calipers before ordering is the best way to be sure, since Uncle Mike's offers this band in several diameter ranges. It's a popular fit for guns like the Stoeger Uplander and similar single-shot break-action shotguns. It is not made for 28 gauge or .410 barrels.
Do I need to drill into my shotgun to install this split barrel band?
No drilling required, which is the whole point of the design. The split band opens up, wraps around the barrel, and clamps down with screws using nothing more than a screwdriver. This lets you add a sling to a break-action or over/under without altering the forend or the wood at all.
Are the swivels quick-detach?
Yes, the swivels use Uncle Mike's quick-detach design with a 1-inch loop, so they accept any standard 1-inch sling. You can pop them off when you want to carry or store the gun without a sling and clip them back on in seconds. The band itself stays clamped on the barrel.
How many pieces come in the set?
The 15912 is sold as a two-piece set that gives you the front barrel band swivel plus a rear attachment point, so you have both ends covered for a full sling setup. For the tightest, quietest hold, tighten the clamp screws down evenly and firmly during install.




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