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When your factory front bead is worn, dull, or just plain hard to pick up in low light, swapping to a Marble Arms 57-W is one of the easiest upgrades you can make to an open-sighted rifle. This is the barrel-mounted version, meaning it slides into a dovetail cut directly into your barrel with no ramp base needed. The sight stands .570" tall measured from the top of the bead to the bottom of the dovetail, and it wears a 1/16" white bead that jumps out against dark targets and heavy timber.
Marble Arms machines these from solid steel and finishes them in blued black, so they hold up to years of hard hunting and knocking around in the field. The blade carries the classic Marble's contour that slopes forward, a look that has been the go-to for precision shooters and serious hunters since the early 1900s. The rounded base sides are shaped specifically for guns with the dovetail cut into the barrel itself, so it sits clean and low.
Height matters more than folks expect with front sights. If your rifle is shooting high with the rear sight bottomed out, a taller front sight like this .570" model brings your point of impact back down where you want it. That white 1/16" bead is a fine aiming point, small enough for accurate work but bright enough to find fast. It pairs naturally with a Marble's or similar buckhorn, semi-buckhorn, or peep rear.
Installation is a matter of drifting the old sight out and tapping the new one in, though like most quality dovetail sights it may need a touch of fitting to seat snug. A little patience with a brass punch and a light file goes a long way. Once it's set, you've got a durable, made-in-USA sight that will outlast the barrel it's riding on.
This sight is made for rifles that have the front sight dovetail cut directly into the barrel rather than into a separate ramp base. The rounded base sides are shaped to sit clean on a barrel. Like most dovetail sights, you may need a little light fitting to get a snug, proper seat.
The 57-W stands .570" tall, measured from the top of the bead down to the bottom of the dovetail. Front sight height determines your point of impact, so a taller sight brings your shots down while a shorter one raises them. If your rifle prints high with the rear sight bottomed out, a taller front like this one helps you get zeroed.
The 1/16" white bead is a bright, contrasting aiming point that stands out well against dark targets, brush, and shaded timber. Many folks find it noticeably faster to pick up than a plain black or worn factory bead. The 1/16" size keeps things precise without covering too much of the target.
Drift the old sight out of the dovetail with a brass punch, then tap the new one in from the opposite side. It may take a little fitting with a fine file if it runs tight, which is normal for a quality steel sight. Take your time and go slow so you get a snug fit without marring the finish.
| UPC | 871373002348 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 105732 |
| Color | White |
| Style | Barrel Mounted |
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