Description
Williams built their Fire Sight line around fiber optic rods that pull in ambient light and throw it right back at your eye, and this .410" ramp is the base that makes it all work. It's a one-piece metallic front sight ramp designed to replace the plastic ramps that ship on a lot of factory guns, giving you a solid, machined platform that holds a fiber optic light-gathering rod dead steady. If you've ever had a plastic ramp flex, crack, or work loose on you, stepping up to metal is a real upgrade.
The whole point of the Fire Sight system is speed and visibility. The fiber optic node gathers light and glows, so your front bead pops against the target in the kind of dim conditions where a plain black post disappears. That means faster target acquisition at dawn, at dusk, under heavy timber, or on a gray overcast day. Just keep in mind these work off ambient light, so they aren't a substitute for tritium night sights in true darkness.
What Sets the Williams Fire Sight Ramp Apart
Williams has been making sights in Davison, Michigan since 1926, and the Fire Sight became their signature product after they got in early on fiber optic tech in the 90s. This ramp carries that reputation. The black finish keeps glare down and pairs cleanly with just about any barrel, and the .410" height is one of several Williams offers so you can match the geometry your setup needs.
Fitting the .410" Fire Sight Ramp
These ramps are meant to be a straightforward swap for many common plastic ramps already on the market. Fitment does vary by firearm, so it's worth confirming your gun uses a ramp Williams designed this part to replace before you order. A little hand fitting is normal with any dovetail or ramped sight, and a proper front sight pusher makes seating the blade clean work without marring anything. Once it's on, you've got a rugged base ready to gather light and keep you on target.
Key Specifications
- Manufacturer: Williams Gun Sight
- Manufacturer Part Number: 70105
- UPC: 053506701056
- Product Type: One-Piece Front Sight Ramp
- Height: .410"
- Color / Finish: Black
- Material: Metallic (steel base)
- Style: Fiber Optic Fire Sight
- Compatibility: Replaces many common plastic factory ramps
What’s Included
- Williams one-piece Fire Sight metallic ramp (.410" black)
Frequently Asked Questions
What does the Williams Fire Sight Ramp replace?
It's designed to replace many of the plastic front sight ramps that come standard on factory guns. Swapping in this metallic ramp gives you a stronger, more stable base that won't flex or crack like plastic can. Fitment varies by firearm, so confirm your gun uses a ramp this part is built to replace before ordering.
Do the Fire Sights glow in complete darkness?
No. Williams Fire Sights use fiber optic rods that gather ambient light, so they need some light to work with. They shine at dawn, dusk, under tree cover, and on overcast days, but they aren't the same as tritium night sights and won't glow in total darkness.
Is the .410" ramp hard to install?
These ramps are meant for a straightforward swap and don't require gunsmithing on most setups. Some hand fitting is normal with any dovetail or ramped sight, and using a proper front sight pusher rather than hammering keeps everything looking clean. If you're unsure about fit on your specific gun, a gunsmith can knock it out quickly.
What does the .410" measurement refer to?
That's the height of the ramp. Williams offers this ramp in several heights so you can match the sight geometry your firearm needs. Picking the correct height matters for getting your point of aim and point of impact lined up once you install a front bead.





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