Description
If you've got a late-model Remington 870, 1100, or 11-87, you probably know the modern magazine tubes come with factory detents that block magazine extension installation. Old-school workarounds like grinding create unsightly holes that let dirt and debris into the tube. That's where this tool comes in.
How the XS Sights Detent Swage Works
Instead of grinding or drilling, this swage tool uses controlled peening to flatten factory detents without damaging the tube itself. You lubricate it with gun oil, tap it in with a hammer, then lightly peen the detents flat with a small punch. The entire job takes about 10 minutes, and when it's done, the tube looks and functions like the detents were never there. No holes, no weakening the thin magazine tube walls, no compromises.
What Makes This Better Than Other Methods
The most common DIY approach involves a socket and punch, which can be hit-or-miss depending on your setup. This dedicated tool is purpose-built for the job, taking the guesswork out of the process. You get consistent results because the tool's shape and size are engineered specifically for Remington detents. Users report excellent results with proper technique, and the investment pays for itself compared to paying a gunsmith.
Before You Start
Make sure your shotgun is unloaded and the magazine tube is empty. Follow the included instructions carefully. Use a brass or plastic-head hammer to avoid marring, and apply lubricant generously. If you're installing a magazine extension kit, this tool is the first step—you can't skip it on the newer detent-style tubes.
Key Specifications
- Manufacturer: XS Sight Systems
- Model Number: RE-7000-1
- UPC: 647533044318
- Gauge: 12 Gauge
- Fits Remington: 870, 1100, 11-87
- Type: Magazine Tube Detent Swage Tool
- Dimensions: 1.55 x 1.65 x 3.25 inches
- Condition: New
What’s Included
- Swage tool
- Insert with instructions
Frequently Asked Questions
Do I need special tools besides this swage tool?
You'll need a hammer (brass or plastic-head is best to avoid marring), a small punch, and some gun oil for lubrication. Most people have these in their workshop. Eye protection is recommended while working. The swage tool itself handles the specialized part of the job.
Will this detent swage work on all Remington shotguns?
This tool is designed for Remington 870, 1100, and 11-87 series shotguns in 12 gauge. It's specifically for the modern detent-style magazine spring and mag cap retention system found on many newer models. Check your gun's manual or contact the manufacturer if you're unsure whether your model has these detents.
How long does it take to use this tool?
Most users complete the detent removal in 10 to 20 minutes, depending on experience level. The process is straightforward: apply lubricant, tap the swage in, then lightly peen the detents flat with a punch until the swage slides free. Once you remove it, you're ready to install your magazine extension.
What's the advantage over grinding out the detents?
Grinding creates two holes in the magazine tube that let dirt and debris enter, weakens the thin tube walls, and looks rough. This swage tool flattens the detents cleanly, preserving the tube's appearance, strength, and integrity. The results look factory-finished.





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