The HIVIZ FastDot H3 sight (part no. MPFD21) is a low-profile, single-dot sight system built for the S&W M&P family, combining fiber optics and tritium so it stays illuminated around the clock. It uses a red front sight paired with a green rear sight for a fast, high-contrast picture.

It fits M&P Compact, Full-Size, Shield, and Shield Plus pistols in all calibers, though it does not fit optic-ready models, the M&P 9EZ, 380 EZ, 30 Super Carry, or EZ 380.

Key Specifications

• Low-profile, single-dot sight system combining fiber optics and tritium.
• 24-hour illumination: fiber optics by day, tritium by night.
• Red front sight paired with a green rear sight for fast, high-contrast target acquisition.
• Fits S&W M&P Compact, Full-Size, Shield, and Shield Plus in all calibers.
• Does not fit optic-ready models, the M&P 9EZ, 380 EZ, 30 Super Carry, or EZ 380.
• Manufactured by Hi-Viz.
• Ships at approximately 0.06 lb.

Frequently Asked Questions

Does this sight fit the optic-ready M&P models? No. HIVIZ notes this FastDot H3 sight does not fit optic-ready M&P models, or the 9EZ, 380 EZ, 30 Super Carry, or EZ 380 variants.

What colors are the front and rear sights? The front sight is red and the rear sight is green, giving a fast, high-contrast sight picture.

Does this sight need batteries? No. It combines fiber optics for daytime brightness with tritium for night illumination, with no batteries required.

Buy the HIVIZ FastDot H3 Red Front / Green Rear Sight – S&W M&P & Shield

Order it from Schaefer Defense, see more from Hi-Viz, or browse the full Gun Sights lineup for other options.