Description
Marble Arms has been building these sporting rear sights for over a century, and the #67 semi-buckhorn is one of the shop favorites for anyone running a lever gun or older sporter. It fits standard 3/8-inch dovetails and works as a straight replacement on a lot of classic rifles, or as a way to add real elevation adjustment to a gun that came with a fixed sight. Machined from black-coated steel and hand-polished before bluing, it carries that traditional look that pairs perfectly with wood-and-steel rifles.
What Makes the #67 Semi-Buckhorn Worth Bolting On
The semi-buckhorn profile splits the difference between a wide-open flat top and a full buckhorn, giving you those partial wings that help frame the target without crowding your view. The notch piece is reversible, so you can run either the U-shaped or V-shaped notch depending on how your eyes like to pick up the front bead. Topping it off is Marble's signature hand-painted enamel diamond, which draws your eye straight to the notch for fast, instinctive target acquisition.
Dialing In the Long Semi-Buckhorn Rear Sight
Elevation runs from roughly .300 inch to .510 inch thanks to the double-step elevator, which lifts and drops the whole sight and clicks into place with a thumb button. That range covers a wide spread of barrel and front-sight combinations, so it's worth measuring your setup to land on the right front sight height before you zero.
Rifles the #67 Rear Sight Was Built For
This is the sight that lived on countless Winchester, Marlin, Remington, and Savage rifles back in the day, and it's a go-to upgrade for Marlin 336 and 1894 lever guns today. Cowboy action folks and brush hunters like it for the quicker sight picture over the factory original. Dovetails vary a hair from rifle to rifle, so plan on a little fitting with a fine file and a brass or nylon drift to tap it home nice and tight.
Key Specifications
- Manufacturer: Marble Arms
- Model: #67 Semi-Buckhorn Longshank
- Manufacturer Part Number: 006700
- UPC: 871373004083
- Sight Type: Sporting Rear, Semi-Buckhorn
- Dovetail Fit: Standard 3/8 inch
- Elevation Range: .300 in to .510 in
- Notch Style: Reversible U-shape and V-shape
- Material: Black-coated steel
- Finish: Black
- Elevator: Double-step with thumb button
- Blade Length: 2-3/4 in (long / rifle model)
What’s Included
- Marble Arms #67 semi-buckhorn rear sight base
- Reversible U/V notch piece with hand-painted enamel diamond
- Double-step elevator
Frequently Asked Questions
What rifles does the Marble Arms #67 rear sight fit?
It's cut for a standard 3/8-inch dovetail, which covers a huge range of classic sporting rifles from Winchester, Marlin, Remington, Savage and others. It's a popular swap on Marlin 336 and 1894 lever guns. Because dovetails vary slightly between makers, expect to do a little hand-fitting for a snug fit.
What's the difference between the semi-buckhorn and a full buckhorn sight?
The semi-buckhorn has shorter side wings than a full buckhorn, so it frames the target without blocking as much of your peripheral view. A lot of folks find it faster to pick up while still giving you reference for a good sight picture. The #67 also lets you flip between a U-notch and V-notch to suit your eyes.
How much elevation adjustment does the #67 semi-buckhorn offer?
The double-step elevator gives you a total sight height range of about .300 inch to .510 inch. You raise or lower the whole sight with the thumb button and step, then fine-tune from there. Matching it with the right front sight height makes zeroing much easier, so measure your setup before ordering a front bead.
Is installing the Marble Arms #67 rear sight a DIY job?
Plenty of people fit it at home with a brass or nylon drift and a small file, taking it slow so the dovetail ends up tight. Remove any forearm or barrel band in the way and tap gently from the correct direction. If you're not comfortable filing and drifting a sight, a gunsmith can knock it out quickly.





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