Description
The TacStar Shotgun Rail Mount in the short 1.8" configuration is a clean way to turn a plain magazine extension tube into a real accessory platform. It clamps around any standard 1" diameter extension and gives you three full Picatinny rails positioned 90 degrees apart, so you can run a weapon light at 3 o'clock, a laser at 9 o'clock, and still have the top or bottom open for something else. No drilling, no permanent changes to your gun.
Why the TacStar Rail Mount Earns Its Spot
The clamping system is the part that sells people. It cinches down tight enough to stay put under recoil but won't chew up or mar the finish on your extension tube. That matters if you spent good money on a quality magazine extension and don't want tool marks all over it. Installation is straightforward with basic hand tools, and once it's snug it holds a red dot, light, or laser dead solid.
Getting the Most From Your Shotgun Rail Mount
The short 1.8" length is the pick when you're running a single accessory or two, or when your extension doesn't leave much real estate to work with. Keep in mind you'll want to leave room for a barrel or magazine clamp if you run one. If you need more rail space for multiple bulky accessories, TacStar also makes a longer 4.1" version, but for most defensive and utility setups the short mount is all you need. The three rails accept standard Picatinny rings and mounts, so it plays nice with the light and laser gear you probably already own.
Built for the Tube, Not the Receiver
This is the tube-clamp mount, meaning it wraps around your existing magazine extension rather than bolting to the receiver. That makes it a great match for pump guns and semi-autos already wearing an extension tube. One thing worth noting on gas-operated semi-autos: they can be weight sensitive, so it's smart to function test after you load up the rails with heavier gear to make sure everything still cycles.
Key Specifications
- Manufacturer: TacStar
- Manufacturer Part Number: 1081100
- UPC: 751103011003
- Type: Tube Clamp Picatinny Rail Mount
- Configuration: Short
- Length: Approximately 1.8 in
- Rails: Three Picatinny rails positioned 90 degrees apart
- Fits: Standard 1" diameter magazine extensions
- Material: Aluminum
- Finish: Black
- Mounting: Non-marring clamp system
- Color: Black
What’s Included
- TacStar Shotgun Rail Mount (Short 1.8")
- Clamp hardware
Frequently Asked Questions
What does the TacStar Shotgun Rail Mount clamp onto?
It's built to fit standard 1" diameter shotgun magazine extension tubes. The clamp wraps around the tube rather than bolting to the receiver, so you'll need an extension already on your gun for it to grab. It secures without marring or scratching the tube finish.
Should I get the short 1.8" mount or the longer version?
The short 1.8" mount is the right call for running one or two accessories, or when your extension tube doesn't leave much room. TacStar also offers a 4.1" long version if you need more rail space for multiple accessories. Just remember to leave room for a barrel or magazine clamp if you run one.
Can I mount a light and a laser at the same time?
Yes. The three Picatinny rails sit 90 degrees apart, so you can run a light on one side, a laser on another, and still have a rail free. The rails accept most standard Picatinny rings and accessory mounts.
Will this work on a semi-auto shotgun?
It will, as long as you have a 1" extension tube for it to clamp onto. Keep in mind gas-operated semi-autos can be weight sensitive, so function test the gun after adding heavier accessories to make sure it still cycles reliably with your chosen loads.





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