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The Ultradyne C2 Folding Combo Aperture is an offset iron sight set built to canting 45 degrees off your Picatinny rail, so you can roll the rifle and grab a quick sight picture without touching your main optic. It runs Ultradyne's dual-aperture system, pairing a 12 MOA front ring with a threaded rear ghost ring. The idea is simple but clever: line up two circles and your eye naturally centers them, which speeds up acquisition and trims down the parallax you get with a chunky front post. Instead of blotting out the target with a big blade, you see the whole thing.
The front sight brings both windage and tool-less elevation adjustment, so getting a solid zero doesn't mean digging for a punch or a special tool. The rear features an oversized windage knob with positive, tactile clicks that are tough to knock off zero by bumping or snagging. There's a smart storage touch too, the included .070 aperture threads right into the windage knob when you're running the open ghost ring, so your spare is always on the gun and never rattling around in a range bag.
Everything is CNC-machined in the USA from 416 stainless steel with a salt bath nitride finish and 6061 aluminum that's hard anodized. That mix keeps the set light without giving up strength. Both sights fold down when stowed and snap up with a firm detent, and deployment is a one-handed job with no buttons or latches to fuss with.
This setup shines on a rifle wearing a magnified optic or LPVO, where a canted backup lets you transition to close targets in a hurry. It's just as valid as a reliable backup should your primary optic ever go dark. The 12 MOA front ring is the fast option most folks reach for, though the platform supports a blade-style post if you prefer a traditional sight picture down the road.
This C2 combo is the 45-degree offset version, so it sits canted off to the side of your Picatinny rail. That lets you roll the rifle slightly and grab a fast sight picture without moving or removing your primary optic. It's a popular setup on rifles wearing a magnified scope or LPVO.
Instead of a solid front post, the front sight uses a 12 MOA ring that you line up with the rear ghost ring. Your eye naturally centers one circle inside the other, which speeds up target acquisition and cuts down on the parallax you get with a thick post. You also see the full target rather than covering it up.
Yes. On the rear sight you can unthread the aperture and thread it into the opposite side, which reconfigures the set to run left-handed. In that setup the sights fold down toward the rear instead of forward.
They are. The front sight offers tool-less elevation adjustment, and the rear brings an oversized windage knob with positive clicks at 1/2 MOA each. That means you can dial in a zero at the range without carrying a punch or a dedicated sight tool.
| UPC | 851019008903 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | UD10012 |
| Color | Black |
| Model | |
| Product Type | Sight |
| Style | Set |
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