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Iron sights have a reputation for being slow and fussy, but the Ultradyne C4 Offset Folding Front Sight rethinks the whole idea. Instead of lining up a squared post between two ears, you center a round aperture inside a round aperture. Your eye naturally wants to center circles, so target acquisition happens quickly and with a lot less guesswork. Mounted at a 45 degree offset, this sight tucks alongside your primary optic and flips into play with a slight cant of the rifle, no repositioning required.
The magic here is Ultradyne's Dynalign technology. The front post has a spherical tip with a hole drilled through it, giving you a true front aperture rather than a solid post that blocks your view. That circular opening reduces parallax and lets you actually see what you're aiming at, even when holding over at distance. It ships with a 12 MOA Dynalign aperture, and you can swap in 8, 10, or 14 MOA options depending on light and target size. A traditional squared post is also available if you prefer the classic look.
All of your zeroing lives on the front sight. Windage adjusts in 1/2 MOA clicks for 40 MOA of total travel, which keeps your rear sight windage perfectly centered at zero and leaves full adjustment in both directions if you ever need it. Elevation is tool-less with 28 MOA of range at 1-1/4 MOA per quarter turn, so you can make changes in the field without digging through your kit for tools.
Every C4 Offset Front Sight is CNC machined in the USA and finished in salt bath nitride for corrosion resistance and a clean matte black look. It clamps to any MIL-STD-1913 Picatinny rail, folds down to a low profile when stowed, and pairs directly with the C4 Offset Rear Sight for a fully concentric sighting system. Rugged and simple, it's more than capable of backing up a high-end optic when the electronics quit.
Instead of centering a squared post between protective ears, the C4 front post has a round aperture drilled through it. When paired with the C4 rear sight, you line up a circle inside a circle, which your eye centers naturally. This concentric alignment speeds up acquisition and reduces parallax, so you can focus on the target rather than fussing with sight alignment.
Yes. It comes with a 12 MOA Dynalign aperture installed, and you can swap in 8, 10, or 14 MOA apertures depending on light conditions and target size. A traditional squared front post is also offered if you want a more conventional sight picture. Smaller apertures tend to shrink groups in good light, while larger ones help in low light.
It does. The 45 degree offset mount sits alongside your primary optic on a Picatinny rail, so you keep your red dot or magnified scope in play and roll the rifle slightly to pick up the irons. It's a solid backup for when your optic goes down or you need a fast close-range transition.
With the C4 setup, both windage and elevation zeroing happen at the front sight. This keeps the rear sight windage centered at zero and preserves its full range of adjustment for wind calls or holdover. Elevation is tool-less, so you can make corrections in the field without carrying any extra hardware.
| UPC | 851019008460 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | UD10860 |
| Color | Black |
| Style | Folding |
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