The XS DXT2 Big Dot Tritium Night Sight Set (brand part no. SWX203S5G) from XS Sights is machined specifically for the Smith & Wesson CSX, giving the compact carry pistol a genuine low-light sight upgrade. Both the front and rear sights are steel with tritium inserts, and the oversized green front dot is built for the fastest possible sight acquisition in a defensive draw. A low-profile V-notch rear keeps the sight picture clean while still offering visible index points in reduced light. It uses the same oversized Big Dot front sight design as other XS night sight sets, sized to a CSX slide.

Key Specifications

• Purpose-fit for the Smith & Wesson CSX.
• Front and rear made of steel with tritium inserts for low-light visibility.
• Finished in black nitride for corrosion resistance.
• Features XS’s Big Dot front sight for faster sight acquisition.
• Rear sight uses a low-profile V-notch design with visible index points in low light.
• American made construction.

Frequently Asked Questions

Is this a tritium night sight? Yes, both the front and rear sights use tritium inserts for low-light aiming.

Does it fit any other pistol? No, this set is machined specifically for the S&W CSX.

What makes it a Big Dot sight? The front sight uses an oversized dot designed for faster target acquisition than a standard three-dot sight picture.

Buy the XS DXT2 Big Dot Tritium Night Sights for S&W CSX

Upgrade a carry-ready CSX with a genuine XS Sights night sight set from our gun sights lineup. Order it from our Lubbock, Texas gun shop for fast, insured shipping right to your door.