TRITIUM YL HD NS SET S&W M&P SA137Y | YELLOW FRONT Manufacturer Model Number: SA137Y Manufacturer: Trijicon Model: Trijicon HD Night Sight Set Type: Accessory-Lasers and Sights Item Type: Accessory Finish: Black Sights: Yellow Front and Black Rear Shipping Weight: 0.15 Feature: Fits S&W: M&P, SD9VE, & SD40VE Feature: Excludes M&P Shield & C.O.R.E. Optic Adjustable Objective: false Optic Reticle Illuminated: false