Smith & Wesson Front Sight Assembly Models 410 457 457D 909 910 239430000 5903 Important: Cylinder and yoke assemblies

Important: Cylinder and yoke assemblies are critical timing components that affect safety and accuracy

Classic Appearance: Traditional wood finish enhances your revolver's aesthetics

Part Number: 10179F

and functioning at their best

The thumb piece (cylinder release latch) and its retaining nut allow the cylinder to swing out for loading and unloading — a worn or damaged thumb piece causes cylinder release failures

Smith & Wesson Front Sight Assembly Models 410 457 457D 909 910 239430000 5903 Important: Cylinder and yoke assembliesFactory OEM Front Sight Assembly for Smith & Wesson Pistols This listing is for the front sight assembly only. Genuine Smith & Wesson OEM front sight assembly. Factory original component ensures proper fit, reliable target acquisition, and drop in installation for your semi automatic pistol. Compatible Models: Model 410 (. 40 S&W Economy) Model 457 (. 45 ACP Economy) Model 457D (. 45 ACP Economy) Model 909 (9mm Economy) Model 910 (9mm Economy)