Description
The Williams FireSight .375" front sight takes one of the biggest gripes with factory iron sights, a hard-to-see front bead, and fixes it with a bright red fiber optic rod that pulls in surrounding light and focuses it into a sharp, glowing dot. It gathers ambient light and channels it right to your eye, which makes lining up on target quicker and a whole lot easier, especially in the low-light hours around dawn and dusk when game tends to move.
This is the medium (M) height version, standing .375" tall with a .340" base width. That sizing is built to match common factory ramps found on rifles like Marlin and Remington, so for a lot of folks it drops right in as a direct upgrade over the stock front sight. It's machined from steel here in the U.S.A., so you're getting a part that holds up to recoil and years of hard use rather than something flimsy.
What the FireSight .375 Red Does on the Range
The payoff is immediate the first time you shoulder your rifle. That red node grabs your eye and shortens the time between raising the gun and being on target. Hunters chasing hogs and deer in thick timber tend to appreciate that split-second edge, and it's just as handy for older eyes that struggle with a plain black bead against a dark background.
Fitting the Williams .375 Front Sight
Installation is straightforward for most rifles, though the sight may require a little minor fitting to seat perfectly in your dovetail or ramp. Take your time, check the fit before driving it home, and once it's in you'll have a sight that stays put. Plenty of owners of Williams fiber optic sights report a clean fit and a noticeable jump in visibility right out of the gate, which is exactly what you want from an upgrade this simple.
Key Specifications
- Manufacturer: Williams Gun Sight
- Manufacturer Part Number: 56443
- UPC: 053506564439
- Series: FireSight (Fire Sight)
- Type: Fixed Front Sight
- Height: .375" (Medium / M)
- Base Width: .340"
- Fiber Optic Color: Red
- Material: CNC Machined Steel
- Fit: Factory ramps such as Marlin, Remington
- Country of Origin: Made in U.S.A.
What’s Included
- Williams FireSight .375" fiber optic front sight (red)
Frequently Asked Questions
What rifles will the Williams .375 FireSight front sight fit?
This medium height sight is designed around the common factory ramps found on rifles like Marlin and Remington. With a .375" height and .340" base width, it works as a direct upgrade on many of those setups. It's always smart to measure your existing sight before ordering since minor fitting can be needed.
How does a fiber optic front sight actually help?
The red fiber optic rod gathers ambient light and focuses it into a bright, glowing dot at the front of your sight picture. That makes the front sight far easier to pick up than a plain black bead, so you get on target faster. It's a real difference maker in low light and for eyes that struggle with traditional irons.
Is the Williams FireSight made of steel or aluminum?
This particular front sight is CNC machined from steel and made in the U.S.A. Steel construction holds up well to recoil and long-term use, so it's a durable choice for a hunting or range rifle.
Do I need a gunsmith to install this front sight?
Most people can handle the install at home with basic tools and a little patience. The sight may require minor fitting to seat properly in your ramp or dovetail, so go slow and check the fit before driving it fully into place. If you're not comfortable working on your firearm, a gunsmith can do it quickly.





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