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When your factory front bead has gone dull or your rifle is printing high and you need a taller post to bring point of impact back down, the Marble Arms 45-W is exactly the kind of no-nonsense fix that has kept this company in business since 1892. This is a barrel-mounted front sight machined from steel with a 1/16" white bead, measuring .450" tall from the bottom of the dovetail to the top of the bead, with a .531" base width. It carries Marble's signature contour that generations of hunters and target shooters have trusted on Winchester, Marlin, Remington, and Savage lever guns and single shots.
The height number matters more than anything else on a front sight. If your rifle shoots high even with the rear sight bottomed out, going to a taller front bead like this .450" 45-W physically lowers your line of sight and drops your groups back onto the bullseye. Marble's own sight-height math walks you through it: measure your current sight, add the correction you need, and match that total to the right model. This one slots into the popular .450" range that pairs nicely with a lot of classic rifles running a standard 3/8" dovetail.
That 1/16" ivory-colored bead is small enough to give you a precise aiming point without blotting out the target, and the white color pops against dark backgrounds like heavy brush, shaded ridgelines, and fading evening light where a plain black post disappears. It's a favorite pairing with peep and aperture rear sights, giving older eyes a crisp, high-contrast dot to center up. All-steel construction means it takes years of hard field use, holster wear, and bluing without complaint.
Like most quality dovetail sights, this one is cut slightly oversized on purpose so you can hand-fit it for a tight, drift-adjustable hold. Plan on a few passes with a fine file or drift punch to seat it snug, then tap it left or right in the dovetail to zero your windage. A little patience during install pays off with a sight that stays put shot after shot.
This 45-W model measures .450" tall, taken from the bottom of the dovetail to the top of the bead. A taller front sight lowers your point of impact, so if your rifle is shooting high with the rear sight already bottomed out, stepping up to this height can bring you back on target. Marble publishes a sight-height chart if you want to calculate the exact correction for your setup.
It's built for a standard 3/8" barrel dovetail, which covers a huge range of classic lever guns and single shots from makers like Winchester, Marlin, Remington, and Savage. Measure your existing dovetail and sight height before ordering to confirm the match. Like most Marble sights, it may need a little hand-fitting to seat perfectly.
The white bead gives you a bright, high-contrast aiming point that stands out against dark timber, shaded terrain, and low evening light where a black post tends to vanish. The 1/16" size is precise without covering too much of the target. It's a popular choice paired with peep or aperture rear sights.
Yes, the 45-W is machined from steel, so it holds up to years of field carry and hard use. Steel also takes bluing well and resists the dings that can knock a lesser sight out of zero. It's the same durable construction Marble Arms has been known for since the 1890s.
| UPC | 871373002249 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 104532 |
| Color | White |
| Style | Barrel Mounted |
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