Anyone know the difference between the Tru Glow home defense fiber optic and this one the Tru Glo-dot II???

I'm not really sure. I'm guessing for home defense it would be more visible. But the one I have is just fine its red you can see better then the stock beed sights that came in my mossberg 500. And with a 12 Guage you don't need to be accurate just point it where you wanna shoot an fire. And like me if you going to put a light on it, it doesn't really matter which you 1 you put. It's all on your preferences

When I bought my shotgun the bead was missing. Is it necessary to have a bead for this to stay in place?

I'm using mine for a 12 gauge and it fits snug it wouldn't move easy but if bumped it would be possible the bead does give more stability and helps with alignment.With a 12 Ga. you could make it work, can't speak to a 20 Ga. as I don't have one.

Will it work on the Akkar Churchill 612 pump shotgun?

This ought to fit any 12 gauge barrel that is not ribbed.

will it fit the tarus judge public defender?

Probably not, it is made to snap over a round barrel. After looking at photos of the public defender it does not look compatible. If your barrel is not railed you could cut it to size. If your barrel is railed there are other options.

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Truglo GLO DOT II Universal Shotgun Sight

Product ID: 4487816

Details

Brand
TRUGLO
Color
GREEN
Compatible Devices
Shotgun
Item Weight
4.54 g
Magnification Maximum
1 x
Magnification Minimum
1 x

🎯Universal fit for all plain barrel shotguns

💡Fiber optic tech for bright aiming dot

⚙️All-metal durable construction

SI$581

Duties & taxes included

In stock

Sold byAmazon Solomon IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Lock on fast, shoot sharp, and never miss the moment.

BUILT TO ENDURE - Rugged all-metal construction ensures your sight stays reliable through every hunt and range session.
SLEEK LOW PROFILE DESIGN - Minimal bulk means zero obstruction and maximum confidence on every shot.
TOOL FREE QUICK INSTALLATION - Snap it on in seconds—no gunsmith or special tools required, so you’re always ready to shoot.
PRECISION FIBER OPTIC TARGETING - Green fiber optic dot gathers ambient light for lightning-fast target acquisition in any lighting.
SEAMLESS UNIVERSAL COMPATIBILITY - Fits any plain barrel shotgun effortlessly—never worry about model restrictions again.

The Truglo Glo Dot II Universal Shotgun Sight is a low-profile, all-metal fiber optic sight designed to fit any plain barrel shotgun. It enhances shooting accuracy with a bright green aiming dot that adapts to ambient light, installs quickly without tools, and offers durable performance for serious shooters.

Specifications

ASIN	B000DZKC64
Best Sellers Rank	#33,931 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #90 in Gun Sights
Brand Name	TRUGLO
Color	GREEN
Compatible Devices	Shotgun
Customer Reviews	4.2 4.2 out of 5 stars (1,175)
Global Trade Identification Number	00788130615577
Hand Orientation	both
Included Components	GLO-DOT II 12-20GA GRN
Item Display Weight	4.54 g
Item Type Name	GLO-DOT II 12-20GA GRN
Item Weight	4.54 g
Lens Color	Green
Magnification Maximum	1 x
Magnification Minimum	1 x
Manufacturer	GSM LLC
Manufacturer Part Number	690950_Grün
Material Type	Blend
Model Name	TruGlo Low-Profile All-Metal Construction Glo Dot II Universal Fiber Optic Sight for Plain Barrel Shotgun
Model Number	TG93A
Mounting Type	Dovetail Mount
Number of Items	1
Number of Packs	1
Objective Lens Diameter	1.98 millimeters
Product Style	TruGlo Low-Profile All-Metal Construction Glo Dot II Universal Fiber Optic Sight for Plain Barrel Shotgun
Reticle Type	fiber optic
Sport Type	Shooting
UPC	788130615577
Unit Count	1 Count

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