Description
Running a magnified optic on your AR is great until something jumps up close and you need a sight picture right now. That's exactly the problem the XS Sights XTI2 DXT 45 Degree Offset BUIS set is built to solve. Mounted at a 45 degree angle alongside your primary scope, these irons let you switch from long range to close quarters by simply rolling the rifle over, no dialing magnification down and no fumbling. The Standard Dot version runs a 0.140 inch wide tritium front sight paired with a driftable rear for a clean, repeatable aiming reference.
What Makes the XTI2 DXT Offset Set Worth Bolting On
The front sight uses a tritium lamp that glows in low light, so your dot stays visible when the sun drops or you're working indoors. XS builds these around their signature straight-line "dot-the-i" sight picture, where you center the front dot over the vertical rear reference for quick, intuitive alignment. The rear features a low-profile V-notch that keeps your view downrange open instead of boxing in the target. It's a setup that rewards speed without asking you to think too hard about it.
Built to Take a Beating and Stay Light
These are CNC-machined steel sights sitting on 6061 T6 aluminum bases, so you get real durability without loading down the front of your rifle. The whole set tips the scale right around 2 ounces, which you'll barely notice once it's on the rail. Second-generation XTI2 bases sit a touch taller than the originals, letting you pick up the sights without breaking your normal cheek weld, and the wider base angle plays nicely with larger lens optics.
Fits Your Rifle and Your Hand
Installation is a straightforward bolt-on to any optic-ready AR-15 top rail. The set is fully ambidextrous, so both the front and rear can be rotated for left-handed shooters. The rear sight ships driftable for windage adjustments, and XS backs the whole thing with their no-questions-asked lifetime warranty. Made in Fort Worth, Texas.
Key Specifications
- Manufacturer: XS Sights
- Manufacturer Part Number: AR-0008-6
- UPC: 647533009416
- Sight Type: 45 Degree Offset Backup Iron Sights (BUIS)
- Front Sight: Standard Dot, 0.140 inch wide, Tritium
- Rear Sight: Low-profile V-notch, driftable for windage
- Sight Picture: Straight-line dot-the-i express
- Base Material: 6061 T6 Aluminum
- Sight Material: CNC-machined steel
- Weight: Approx. 2.02 oz
- Fit: Optic-ready AR-15 and compatible top rails
- Handedness: Fully ambidextrous, rotates for left-hand use
- Country of Origin: Made in USA (Fort Worth, TX)
- Warranty: Lifetime, no questions asked
What’s Included
- XTI2 DXT tritium front sight
- XTI2 DXT rear sight
- Front sight adjustment tool
- Thread locker
- Installation instructions
Frequently Asked Questions
How do the XTI2 DXT offset sights work with my scope?
They mount at a 45 degree angle on your top rail, right alongside your primary magnified optic. When a close target shows up, you just roll the rifle slightly to bring the irons into your line of sight instead of adjusting magnification. It's a fast, natural transition that keeps you on target.
Is the front sight on this DXT set tritium?
Yes. This Standard Dot version features a 0.140 inch wide tritium front sight that glows in low light to aid alignment when it's dark. Paired with the straight-line rear reference, it gives you a clear aiming picture in bright daylight and dim conditions alike.
Can lefties use the XTI2 DXT offset BUIS?
Absolutely. The set is fully ambidextrous, and both the front and rear sights can be rotated for left-handed shooting. That flexibility was part of the original XTI design, so no special model is needed.
How do I install and zero these XS offset sights?
It's a straightforward bolt-on to any optic-ready AR-15 top rail. The rear sight ships driftable so you can dial in windage, and the set comes with a front sight adjustment tool and thread locker. Apply the thread locker after you've confirmed your zero so nothing shifts once it's locked in.





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