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Running a magnified optic is great until you catch a close target and don't have time to dial down. That's exactly the gap the UTG ACCU-SYNC 45 Degree Flip-Up Rear Sight fills. Mounted at a 45 degree offset on your Picatinny rail, it sits out of the way of your primary scope until you cant the rifle a touch to one side and pick up your irons. It's a fast, intuitive motion that a lot of folks find quicker than backing off magnification or swapping to a co-witnessed setup, and it gives you a battery-free backup if your optic ever quits on you.
This one is precision machined from aircraft-grade aluminum and finished in a matte black hard-coat anodize that cuts glare and stands up to real use. The dual-aperture design lets you flip between a wide aperture for close work and a smaller one for tighter shots, and the windage adjustment wheel is fully tool-free, so you can zero on the range without digging for a punch. A Posi-lock retention detent holds the sight tower locked upright once deployed, so it won't fold down on you mid-string.
Installation is about as simple as it gets. The ACCU-SYNC 45 uses a single locking Torx screw over a low-profile mounting base, and a square-shaped integral recoil stop lug bites into the rail to soak up heavy recoil and keep your zero honest shot after shot. It clamps onto any MIL-STD-1913 Picatinny rail and returns to zero reliably if you ever pull it and reinstall. UTG recommends torquing the side plate screw to roughly 35 inch-pounds.
Built for AR-15, M4, M16, and AR-style platforms, this sight is designed to pair up with the matching MT-745 ACCU-SYNC 45 degree flip-up front sight for a complete offset iron setup. Add a folding front to this rear and you've got a clean, low-profile backup system that plays nice with just about any scope on your flattop.
Yes, that's exactly what it's built for. The 45 degree offset positions the sight off to the side of your primary optic, so you keep a clean, unobstructed view through your scope. When you need irons up close, you just cant the rifle slightly and they're right there.
No tools needed for zeroing. The dual-aperture rear sight uses a windage adjustment wheel that you turn by hand, so you can dial in your windage right on the range. You will need a Torx driver for the initial mounting to your rail.
It's designed to. A square-shaped integral recoil stop lug locks into the Picatinny rail slot to handle heavy recoil, and the single locking Torx screw keeps it clamped down tight. It also returns to zero reliably if you remove and reinstall it. UTG suggests around 35 inch-pounds on the side plate screw.
Yes. This rear sight is made to pair with the UTG ACCU-SYNC MT-745 45 degree flip-up front sight. Running the two together gives you a complete, height-matched offset iron sight system on your AR platform.
| UPC | 4717385553699 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MT-945 |
| Color | Black |
| Shipping Weight | 0.15 |
| Style | Flip Up |
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