Description
Putting a red dot on a turkey gun or defensive shotgun makes a real difference, but a lot of barrels aren't drilled and tapped for a rail. This TruGlo mount solves that by clamping directly to your ventilated rib, so you can run an RMR-pattern optic without sending the gun off to a gunsmith or touching the receiver. It fits ribs from 0.236 inch (6mm) up to 0.395 inch (10mm), which covers the vast majority of vent-rib shotguns on the market.
What the TruGlo Rib Mount Brings to the Bench
The body is built from stainless steel with a corrosion-resistant matte black finish, so it shrugs off weather in the turkey woods or the duck blind. The two-clamp design is the part that matters most here. It grabs the rib in two spots for a rigid lockup, and that rigidity is what lets the mount hold zero shot after shot despite the punishing recoil a shotgun dishes out. Because the optic sits low and tight to the rib, you keep a solid cheek weld instead of craning your neck up over a tall Picatinny riser.
Barrel Swaps Without Losing Your Zero
Since the mount lives on the barrel rather than the receiver, your dot travels with the barrel. Swap to a different barrel for a different season and pull the sighted-in barrel back out, and your zero comes right back with it. That's a genuine advantage for anyone running one shotgun across turkey, waterfowl, and clays duty.
Optic Fit and Setup
This is an RMR-footprint mount, so it pairs directly with the Trijicon RMR and SRO, the TruGlo TRU-TEC Micro (TG8200 series), the Holosun 507C, and other optics cutting that same pattern. Installation is straightforward with the included hardware and tools, typically a couple of screws holding the optic to the mount and a few more clamping the mount to the rib. Once it's on, boresight it and confirm your zero at your hunting distance before opening day.
Key Specifications
- Manufacturer: TruGlo
- Manufacturer Part Number: TG-TG8954U2
- Model: Universal Shotgun Rib Mount
- UPC: 788130029350
- Optic Footprint: Trijicon RMR pattern
- Rib Width Range: 0.236 in (6mm) to 0.395 in (10mm)
- Material: Stainless steel
- Finish: Matte black, corrosion resistant
- Color: Black
- Mounting System: Rigid two-clamp
- Style: 1-Piece
- Compatible Optics: Trijicon RMR/SRO, TruGlo TRU-TEC Micro TG8200, Holosun 507C
- Product Type: Red Dot Sight Mount
What’s Included
- TruGlo Universal Shotgun Rib Mount
- Mounting hardware
- Installation tools
Frequently Asked Questions
What red dot optics fit the TruGlo Universal Shotgun Rib Mount?
It uses the Trijicon RMR footprint, so it works with the Trijicon RMR and SRO, the TruGlo TRU-TEC Micro (TG8200 series), the Holosun 507C, and other optics cut for that same pattern. If your red dot is RMR-footprint, you're good to go. Double-check your optic's mounting pattern before ordering to be sure.
Will this mount fit my shotgun's rib?
It's built for ventilated ribs measuring 0.236 inch (6mm) to 0.395 inch (10mm) wide, which covers most common vent-rib shotguns. Measure the width of your rib before ordering to confirm it falls in that range. It clamps on with no drilling or tapping required.
Does the rib mount hold zero under shotgun recoil?
Yes. The rigid two-clamp system grabs the rib in two spots for a tight, solid lockup that stands up to heavy recoil, which is exactly why hunters trust rib mounts on turkey and waterfowl guns. Torque the hardware to spec and confirm your zero at the range before you hunt with it.
Do I need a gunsmith to install this mount?
No gunsmithing needed. The mount clamps directly to your barrel's vent rib using the included hardware and tools, so there's no drilling, tapping, or machining of the receiver. Most folks get it installed at the kitchen table in a few minutes, then head to the range to zero.





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