Description
That little brass bead on the end of your shotgun barrel does the job, but it disappears fast against a dark tree line or a low-light dove field. The HIVIZ Spark III fixes that. It's a threaded, screw-attach front bead replacement built for shotguns that have a removable front bead, and it drops a big, glowing fiber-optic dot right where your eye wants to go. The LitePipe measures 0.090 inches across with an overall sight height of 0.160 inches, so it stays low-profile and won't hang up when you're moving through the field.
What Sets the Spark III Apart
The headline feature here is the interchangeable LitePipes. You get three colors in the box: HIVIZ green, fire red, and a white pipe for anyone who wants a more traditional look without the neon glow. Green tends to grab the eye fastest for most folks, red shows up well in bright sun and against green backgrounds, and white gives you a clean, classic bead feel. Swapping them takes seconds, so you can match the pipe to the light and the target you're chasing.
Fitting the Spark III to Your Barrel
HIVIZ packages the sight with five threaded studs in the common sizes: 6/48, 3/56, 5/40, 3mm x 0.5, and 3mm x 0.6. That spread covers most vent-ribbed and plain-barrel shotguns that use a removable front bead, so odds are good one of them threads right into your rib. Screw-attach sights like this one give you about as secure a mount as you'll find. It's worth checking HIVIZ's shotgun application chart to confirm your gun before you order.
Whether you're busting clays, chasing waterfowl, or running a home-defense scattergun, a brighter front sight means faster target acquisition and fewer misses. For the money, the Spark III is one of the simplest upgrades you can make to an older or plain-Jane shotgun.
Key Specifications
- Manufacturer: HiViz
- Model: Spark III
- Manufacturer Part Number: SK2011
- UPC: 613485588712
- Style: Interchangeable Fiber Optic Front Sight
- LitePipe Colors: Green, Red, White
- LitePipe Diameter: 0.090 in
- Overall Height: 0.160 in
- Mounting: Threaded / screw-attach
- Fit: Shotguns with removable front bead
- Base Material: Steel
- Finish: Matte Black
What’s Included
- Spark III front sight base
- Green LitePipe
- Red LitePipe
- White LitePipe
- Five threaded studs (6/48, 3/56, 5/40, 3mm x 0.5, 3mm x 0.6)
Frequently Asked Questions
Will the Spark III fit my shotgun?
The Spark III is made for shotguns that have a removable, threaded front bead, and it works with most common vent-ribbed and plain-barrel guns. It ships with five threaded studs in sizes 6/48, 3/56, 5/40, 3mm x 0.5, and 3mm x 0.6 to cover the popular thread patterns. If you want to be sure before ordering, HIVIZ keeps a shotgun application chart that lists confirmed fits by make and model.
How do I change the LitePipe colors on the Spark III?
The LitePipes are interchangeable and swap out in seconds without tools. You get green, red, and white pipes in the box, so you can match the color to the lighting or the background you're shooting against. Green is the brightest to most eyes, while white gives you a more traditional bead look.
Is installing the Spark III something I can do at home?
For most people, yes. You unscrew the existing front bead, thread in the correct stud from the five included, and tighten the sight down. It's a straightforward job, though if your factory bead is stubborn or you're unsure which stud matches your barrel, a gunsmith can knock it out quickly.
How big is the dot on the Spark III?
The LitePipe measures 0.090 inches in diameter, which is a big, bright aiming point that's easy to pick up fast. The sight keeps an overall height of just 0.160 inches, so it sits low and stays out of the way when you're swinging on a target.





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