Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers
Is there Tritium on the rear sight too, or is it only on the front sight post? It's kind of hard to tell from the pictures and description. Expert Answer

The XS Sight Systems CSAT Rear Tritium Rifle Sight features a vertical tritium vial, and white outline on the front sight only to provide front sight visibility in any lighting condition. The rear aperture fits in Gen 2-3 TROY bases.

by Ethan, Gear Expert, April 5, 2022
do these work in gen 1 and 2 magpul flip up BUIS? Expert Answer

Yes they should.

by Todd, Gear Expert, October 5, 2021

Product Discontinued by Manufacturer

XS Sight Systems CSAT Rear Tritium Rifle Sight has been discontinued by XS Sight Systems and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts yourself to try and find the perfect replacement for you!

Product Info for XS Sight Systems CSAT Rear Tritium Rifle Sight

XS Tritium stripe front sight for the AR features precision machined stress proof steel, a vertical tritium vial, and white outline to provide front sight visibility in any lighting condition. 0.105in square top post. Each full rotation of front sight gives a 5in shift at 100 yards. . Fits AR front sight housing with front sight detent at 3, 6, or 9 o'clock. Master Sgt. Paul Howe's (USA - Ret.) CSAT aperture provides the shooter with both a traditional notch and post for a 7 yard zero, plus a small aperture for a 100 yard zero, allowing the shooter to account for the 2.5in offset between those distances. Rear sight also includes a same plane large battle sight aperture, allowing the user to flip the sight for a wider field of view while maintaining zero. Fits in Gen 2-3 TROY bases (Gen 1 bases need screw kit from XS). .image

Package Contents:

  • XS Sight Systems CSAT Rear Tritium Rifle Sight
  • AR Tool

Gun Parts and Accessories

1–29 / 29
Previous
Next

Gunsmithing Tools & Accessories

1–15 / 15
Previous
Next

Gun Triggers

1–15 / 15
Previous
Next

Magazine and Accessories

1–21 / 21
Previous
Next

Gun Stocks

1–18 / 18
Previous
Next

Gun Sights

1–19 / 19
Previous
Next

Mounts, Rings and Accessories

1–19 / 19
Previous
Next

Related Products to XS Sight Systems CSAT Rear Tritium Rifle Sight

XS Sight Systems CSAT Rear Tritium Rifle Sight Unavailable & Discontinued Models

List of Unorderable Models

  • XS Sight Systems CSAT Rear TROY and Tritium Stripe Front Rifle Sight - AR, Matte Black, Standard, AR-0006-7 , MPN: AR-0006-7 , UPC: 647533038843 , Code: XSS-ARI-XSIGH4-AR-0006-7
Compare (0)