Description
Marble Arms has been building front sights since 1900, and this .410" barrel mounted 41-W is a straight continuation of that reputation. It carries a 1/16" gold bead on Marble's signature contoured blade, so your eye picks it up quick against dark game or a busy background. The gold bead stands out nicely in daylight and holds its own in the kind of low, fading light you get at dawn and dusk.
What Sets the 41-W Front Sight Apart
This is the wider "W" style base measuring .531" across, which gives you a broad, stable footprint on the barrel. Height comes in at .410" measured from the bottom of the dovetail to the top of the bead, making it a popular reference point for folks working out a front and rear sight combination. The smoothly contoured, beveled profile isn't just for looks either. It sheds glare and keeps the whole sight picture clean and traditional, which is exactly why hunters and target shooters keep coming back to Marble's blades.
Fit and Installation of the Barrel Mounted Sight
The 41-W drops into a standard 3/8" dovetail and is drift adjustable for windage, so you can tap it left or right to zero your point of impact. Plenty of rifles from Winchester, Marlin, Remington, Savage and similar makers use this dovetail size, though it's always worth measuring your slot before you order. Most installs go smoothly with a brass punch and a light tap, and some fit snug right out of the package. On the occasional rifle you may need a touch of minor fitting to get it seated just right.
Why the Marble Arms Gold Bead Works
If you're chasing a brighter, faster front sight than a plain factory bead, this is a tried and true upgrade. The gold bead draws the eye without the fragility of some polymer tips, and the steel construction and blued finish look right at home on a classic lever gun or single shot. It's a simple part that makes a real difference the next time you throw the rifle up on a moving target.
Key Specifications
- Manufacturer: Marble Arms
- Manufacturer Part Number: 104131
- UPC: 871373002195
- Model: 41-W
- Sight Height: .410" (bottom of dovetail to top of bead)
- Base Width: .531" (W style)
- Bead Diameter: 1/16"
- Bead Color: Gold (Brass)
- Style: Barrel Mounted
- Dovetail: Standard 3/8"
- Material: Steel with blued finish, brass bead
- Adjustment: Drift adjustable for windage
What’s Included
- Marble Arms .410" 41-W barrel mounted front sight with 1/16" gold bead
Frequently Asked Questions
What does the .410" measurement on this Marble Arms front sight refer to?
The .410" is the overall sight height measured from the bottom of the dovetail to the top of the gold bead. It's a common baseline gunsmiths use when figuring out the right front and rear sight combination for a rifle's point of impact. If your rifle is shooting a bit high or low, that height number is what you compare against to dial it in.
Will the 41-W front sight fit my rifle?
It's built for a standard 3/8" dovetail, which covers a wide range of rifles from makers like Winchester, Marlin, Remington and Savage. The best move is to measure your existing dovetail slot before ordering to confirm the match. Some rifles seat the sight perfectly out of the package while others may need minor fitting.
What's the difference between the gold bead and an ivory bead version?
This is the gold bead model, which is a brass bead that stands out well in daylight and stays visible as light fades at dawn and dusk. The ivory or white polymer bead is the alternative and shows up better against darker backgrounds for some shooters. It really comes down to your eyes, your target, and the light you hunt in.
How do I install the Marble Arms barrel mounted front sight?
The sight drifts into the dovetail from the side, and a brass or nylon punch with a light hammer tap is the safe way to seat it without marring the finish. Since it's drift adjustable for windage, you can nudge it left or right to move your point of impact once it's in. Go slow and check the fit as you go, since occasionally a slot needs a touch of dressing for a clean seat.





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