$39.99
9 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The Marble Arms 6X48 Sight is a self-illuminating front bead built to give your shotgun a real aiming reference when the light drops off. It's machined from solid steel and houses a tritium capsule that glows on its own, no batteries and no charging in the sun like fiber optic needs. Around that glowing dot sits a recessed white ring that stands out in daylight and twilight, so you get one bead that works around the clock. That combination is why folks keep reaching for it on home defense guns, hunting rigs, and even skeet setups.
The 6X48 refers to the thread size, 6-48, which is the common pattern on a lot of Remington barrels and plenty of other shotguns that came with a threaded front bead. If your gun already has a screw-in factory bead of that thread, this drops right into the same hole. Worth double-checking your barrel first, since some guns like Mossberg tend to run smaller threads (often 5-40) and certain Berettas use a metric pitch that would need a gunsmith to re-tap.
Installation is straightforward for anyone comfortable working on their own gun. Back out the old bead, clean and deburr the threaded hole, then thread the new bead in with a drop of blue Loctite. Go slow and treat it a little like tapping, snugging it down while keeping it indexed so the dot faces you correctly. There's a shoulder on the sight that can be filed slightly or shimmed with a thin washer if you need to fine-tune how it clocks when tight.
The tritium glows plenty bright in the dark without being so loud it lights up the whole room, and the steel body holds up to recoil and years of field use. For a lot of owners this is the sweet spot between a plain factory bead and the pricier epoxy-on big dot sights, giving you most of the low-light performance for a fraction of the fuss.
It's threaded 6-48, which is the common front bead thread on many Remington-pattern barrels and other shotguns that shipped with a screw-in threaded bead. Before ordering, back out your current bead and confirm the thread, since some guns like Mossberg often use a smaller 5-40 and certain Berettas use a metric pitch. If your barrel isn't tapped for 6-48, a gunsmith can re-tap it to fit.
No. The tritium capsule glows on its own with no battery and no charging from ambient light, so it stays lit even in a dark interior room. That's the main edge tritium has over fiber optic beads, which need some light around them to show up.
Most people can do it at home without a gunsmith. Remove the old bead, deburr and clean the threaded hole, then screw the new one in with a drop of blue Loctite while going slow to keep it indexed so the dot faces you. If the sight needs to clock a certain way, the shoulder can be filed slightly or shimmed with a thin washer.
Tritium is self-luminous and gradually dims over time as it decays, typically staying usefully bright for around a decade or so. Even as it fades, the recessed white ring keeps giving you a clear daytime and twilight aiming point. That dual setup is why it works well on home defense, hunting, and range guns alike.
| UPC | 871373005516 |
|---|---|
| Manufacturer | |
| Style | Tritium Beads |
You must be logged in to post a review.
Reviews
There are no reviews yet.