Description
The Truglo Fat Bead Shotgun Sight 3mm Red is a simple, effective, and affordable fiber-optic front sight designed to replace the standard bead on your shotgun. It uses ambient light to create a bright, high-visibility red aiming point, making it easier to track and lead targets, especially in low-light conditions. I’ve run a version of this on my Mossberg 500 for years, and it’s a no-fuss upgrade that just works.
Key Features
- High-Visibility Red Fiber Optic: Gathers ambient light to create a bright, self-illuminating dot for faster target acquisition.
- Fat 3mm Bead: The larger diameter provides a more prominent visual reference than a tiny traditional bead, which I find helps with quick, instinctive shooting.
- Simple Installation: It’s a direct replacement for standard 6-48 threaded front sight posts—no gunsmithing required for most compatible shotguns.
- Durable Construction: Made from tough polymer and glass, it’s built to handle the recoil of 12-gauge and 20-gauge loads without issue.
Specifications & Details
| Specification | Detail |
|---|---|
| Color | Red |
| Bead Diameter | 3mm |
| Thread Size | 6-48 (standard for many shotguns) |
| Material | Polymer housing, glass fiber optic rod |
| Installation | Threaded screw-in |
| Price | $11.32. |
Look, the beauty of this sight is in its simplicity. You screw out the old bead, screw this one in, and you’re done. It fits out of the box on models like the Mossberg 500/590/ Maverick 88 and Remington 870 that use the common 6-48 thread pattern. For about the price of a few boxes of target loads, you get a tangible improvement in your sight picture. That said, it’s not a precision rifle scope—it’s a rugged, purpose-built dot to help your eye find the muzzle faster.
Who This Sight Is For
This is for the shotgunner who wants a practical, low-cost upgrade. It’s perfect for hunters in timber or at dawn/dusk, tactical shooters wanting a faster front reference, and clay shooters who struggle to pick up a traditional small bead. If your shotgun has a simple bead sight and you wish it was just a bit brighter and easier to see, this is your solution. It’s available at firearms-missouri.com for Missouri residents and nationwide.
Pros & Cons
Pros: Incredibly affordable. Dramatically improves visibility over a plain metal bead. Installation takes two minutes with the right screwdriver. Durable enough for field and range use. The 3mm size is a great balance—not too big, not too small.
Cons: Requires some ambient light to glow; it’s not tritium for total darkness. The red color can sometimes get lost against fall foliage, but that’s true of any red sight. You must verify your shotgun’s thread pattern before ordering, though 6-48 is very common.
Frequently Asked Questions
Q: Will this fit my specific shotgun?
A: It’s designed for shotguns with a standard 6-48 threaded front sight base. This is common on Mossberg (500, 590, 88 series) and Remington (870, 1100) pump and semi-auto shotguns. Always check your owner’s manual to confirm your gun’s thread size before purchase.
Q: Is the dot always bright red?
A: The fiber optic rod needs ambient light to illuminate. In bright sunlight, it’s very vivid. In low light, it will be dimmer, but often still more visible than a steel bead because of its color. In total darkness, it will not glow.
Q: How do I install it?
A: Use a small flat-head or gunsmith screwdriver to carefully unscrew your existing front bead (often left-hand thread, so turn clockwise to loosen). Then screw the Truglo Fat Bead into the same hole, tightening it snugly. No glue or tools beyond a screwdriver are needed.
So, if you’re looking to sharpen up your shotgun’s aim point without a complex or expensive optic system, the Truglo Fat Bead is a proven, straightforward choice. Check its compatibility with your gun and consider giving it a shot.
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