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The Marble Arms #63H is a sporting rear sight built for folks who want to bring the iron sights on an old rifle back to life or upgrade a fixed setup that just won't cooperate. It drops into a standard 3/8" dovetail and gives you a flat top upright with a clean notch, which is exactly what a lot of shooters want when a factory buckhorn is blocking too much of the target. Marble Arms has been making sights like this for the better part of a century, and they build them from steel right here in the States, so you're getting a part with real heritage behind it.
The short shank base keeps the sight compact and works well on carbine-length setups and shorter barrels. This is a taller version in the Marble lineup, with total heights running roughly .350" to .630", which gives you more room to get your point of impact where you want it. The reversible notch piece is a nice touch too, letting you flip between a "U" and "V" shaped notch depending on what your eye likes, and a step elevator handles vertical adjustment while the whole sight drifts side to side for windage.
This pattern is a staple replacement across a bunch of classic sporting arms, including Winchester, Marlin, Remington, and Savage rifles that use the common 3/8" dovetail cut. It's popular with cowboy action folks swapping out stock sights on lever guns, and it's just as at home on a well-worn deer rifle. Plan on a little minor fitting during install, which is normal for dovetail sights, and take a few minutes to measure your barrel and front sight height so your combination lines up right.
All steel, all business, and finished in black. If you've been sitting on a rifle that needs its rear sight sorted out, the #63H is a proven answer that gets you back on paper.
It's designed to drop into a standard 3/8" dovetail, which is the common cut found on a wide range of classic sporting rifles from Winchester, Marlin, Remington, Savage, and more. It's a favorite among cowboy action folks for replacing stock sights on lever guns. As with most dovetail sights, expect a little minor fitting during install.
The "H" stands for the taller version. The #63H offers a total height range of roughly .350" to .630", while the standard #63 sits lower at about .275" to .505". If you need more elevation to match your front sight and barrel setup, the #63H gives you that extra room.
Yes. The reversible notch piece lets you flip between a "U" shaped and "V" shaped notch depending on what your eye prefers. It's a simple swap with a small screwdriver, so you can experiment and settle on the sight picture that works best for you.
Measure your barrel diameter at both the rear and front sight locations and divide each by two to find your center line. From there you can use Marble's height chart to pair the rear sight with the correct front sight so your point of impact lines up. Taking a few minutes to measure before ordering saves headaches later.
| UPC | 871373004021 |
|---|---|
| Manufacturer | |
| Color | Black |
| Style | DOVETAIL |
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