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The Marble Arms 34-MR front sight is a ramp-style dovetail sight standing .343" tall with a 3/32" gold bead, built to drop into a standard 3/8" front sight ramp. It carries the trademark Marble contour that has been the gunsmith's go-to since the early 1900s, and the gold bead does a great job pulling your eye to the target in changing light. If you're running a peep or open rear and your groups are printing high with the rear bottomed out, stepping up to the right front sight height is the fix, and this .343" model slots neatly into that lineup.
This one is a favorite for lever guns and older sporters that need a fresh front bead. It works beautifully alongside a receiver peep like a Williams or a Marble Bullseye, where the gold bead sits crisp inside the aperture. Hunters and range regulars reach for the gold over ivory when they want a warm point of aim that stands out against dark timber or brush.
Marble front sights run intentionally a touch oversized so you get a tight, rattle-free fit once installed. A few light passes with a fine triangle or slim taper file on the dovetail base is normal, then you drift it in and adjust for windage by tapping it left or right. Because the sight is measured from the bottom of the dovetail to the top of the bead, matching height to your rear sight is straightforward once you know how high you're currently hitting.
Machined from solid steel and made in the USA, the 34-MR is strong, stable, and dressed in that traditional profile that just looks right on a classic rifle. It's the kind of small upgrade that quietly makes a big difference in how quickly and confidently you get on target.
It's designed to fit any standard 3/8" front sight ramp with a dovetail cut. Marble makes these slightly oversized on purpose, so expect a little fitting with a fine file to get that snug, tight fit. Once seated, you drift it left or right to dial in windage.
Both are the same sight body and height, just a different bead color. The gold bead gives a warm, high-contrast point of aim that stands out well in low light and against dark backgrounds like timber or brush. Ivory tends to pop more in bright daylight, so it comes down to your eyes and where you hunt or shoot.
Height is measured from the bottom of the dovetail to the top of the bead. If your groups print high with your rear sight adjusted all the way down, you generally need a taller front sight, and if they print low with the rear maxed out, you need a shorter one. Marble publishes a correction chart that helps you calculate the exact height based on your sighting radius and how far off you're hitting.
Yes, and that's one of its most popular uses. The 3/32" gold bead sits cleanly inside a receiver-mounted aperture like a Williams or Marble Bullseye peep, giving you a fast, clear sight picture. Just make sure the front height matches up so your rear peep has room to adjust.
| UPC | 871373002478 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 603421 |
| Color | Gold |
| Style | Ramp Mounted |
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