Rifle Rear Sight Blade .188'' U Notch Black

The Rifle Rear Sight Blade .188" U Notch Black from Williams Gun Sight is a precision replacement rear sight component engineered for shooters who demand reliable, repeatable accuracy downrange. This aperture blade serves as the critical sighting element for rifles where the rear sight requires a user-friendly, open-notch configuration. Whether you're running a service rifle, hunting platform, or duty gun, a quality rear sight blade directly impacts shot placement and target acquisition speed in the field.

The .188" U-notch profile delivers a wide, generous sight picture that facilitates rapid sight alignment while maintaining adequate light gathering for low-light conditions. Williams Gun Sight's proven machining tolerances ensure the blade seats and functions consistently within standard dovetail or socket-mount housings across common rifle platforms. The black finish resists corrosion and glare, preserving edge sharpness and optical clarity through extended field use.

Riflemen replacing worn or damaged rear sight blades will appreciate the direct fitment and immediate accuracy improvements this blade delivers. Law enforcement and military personnel familiar with iron-sight fundamentals recognize the U-notch as the field-proven standard for combat and precision work alike. Installation is straightforward—verify your rifle's specifications to ensure compatibility.