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Marble Arms has been making iron sights in Gladstone, Michigan since 1892, and this dovetail front ramp carries that same no-nonsense reputation. It's a machined steel base finished in black that mounts to the top of your barrel and gives you a dovetail slot to seat a front sight bead or fiber optic post. If your rear sight sits higher than your front and your point of aim is off, a ramp like this is how you close that gap while keeping the natural curve of the barrel intact.
This particular ramp is cut for a .6875" barrel diameter and comes in the shorter .100" height configuration (Marble's part number 072311). It matches the radius of the barrel so it sits flush and looks like it belongs there rather than something bolted on as an afterthought. The dovetail accepts standard Marble Arms front sights, so you've got options whether you want a classic gold or ivory bead or a modern fiber optic for faster target pickup in low light.
Mounting is straightforward for anyone comfortable with basic gun work. The ramp secures to the barrel with a single 6-48 screw, and many folks add solder for a permanent hold. Once the base is on, your front sight simply drives into the dovetail from right to left with a brass or nylon punch until it's centered. Swapping to a taller or shorter sight later is just as easy, which is handy when you're dialing in a front and rear combination.
Marble Arms sights are the kind of parts gunsmiths and hunters have trusted for generations, and this ramp is a dependable way to restore or upgrade the irons on an older rifle or build out a project the way you want it. Pair it with the front sight height that squares up with your rear and you'll have a sight picture that's crisp and built to last.
This ramp is contoured for a .6875" barrel diameter so it seats flush against the curve of the barrel. It's the .100" height version, Marble's part number 072311. Measure your barrel's outside diameter before ordering to make sure you've got the right contour.
No, the ramp is the base only and does not include the front sight bead or post. It has a standard dovetail slot that accepts Marble Arms front sights, so you can choose a gold bead, ivory bead, or fiber optic separately. That lets you pick the exact height and style that squares up with your rear sight.
The ramp mounts to the top of the barrel with a single 6-48 screw that's included. Many people also add solder for a permanent, rock-solid hold. The front sight itself then drives into the dovetail from right to left with a brass or nylon punch until it's centered.
You'll want to match your total front sight height to your rear sight so your point of aim lines up at the top of the bead. Ramps are measured from the base to the bottom of the dovetail, and front sights are measured from the bottom of the dovetail to the top of the bead. Add those together against your rear sight height to find the right combination.
| UPC | 871373007206 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 072311 |
| Color | Black |
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