The XS Sights DXW2 Big Dot Sight Set (XS Sights part no. SW-0035S-3N) brings a tritium-powered, high-contrast orange front sight to S&W 586, 686, 625, 629, and 329 revolvers, paired with a low-profile V-notch rear for a fast, simple aiming picture.

Key Specifications

• Fits: S&W 586, 686, 625, 629, and 329 revolvers
• Front sight: tritium-powered Big Dot, 0.188 in.
• Front sight color: high-contrast orange, glow-in-low-light
• Rear sight: low-profile V-notch design
• Rear sight marking: white stripe (non-tritium)
• Construction: durable CNC-machined steel
• Warranty: 10-year manufacturer warranty

Frequently Asked Questions

Is the rear sight tritium too? No – only the front Big Dot is tritium-powered; the rear uses a non-tritium white stripe for contrast.

What does Big Dot mean for aiming? It uses a simple dot-the-i sight picture: center the large glowing front dot in the rear notch for a fast sight alignment.

What revolvers is this set designed for? Smith & Wesson 586, 686, 625, 629, and 329 models.

Buy the XS Sights DXW2 Big Dot Set For Sale

Ready to upgrade your revolver’s sights for low-light use? Shop more XS Sights optics, or browse our full gun sights selection at Schaefer Defense.