Smith & Wesson K & L Frame Rear Adjustable Sight – Models 14–19, 66, 67, 586 & 686 (3"+ Barrel) | Part# KL162F thumb piece nut Part# 5B North American Company

Part# 5B North American Company Arms Mini Revolver (Derringer) 5 Shot

Important: These grips fit round butt frames only and will not fit square butt revolvers

Classic Aesthetics: Case colored finish matches the vintage character of pre-MIM era Model 57 revolvers

Includes: Complete bolt and slide assembly

Factory OEM replacement cylinder for your K Frame Model 66 revolver

Smith & Wesson K & L Frame Rear Adjustable Sight – Models 14–19, 66, 67, 586 & 686 (3"+ Barrel) | Part# KL162F thumb piece nut Part# 5B North American CompanySmith & Wesson Revolver K & L Frame Rear Adjustable Sight Old Style Square Tang Restore precision to your revolver with this factory style old style square tang rear adjustable sight, built from blued steel for a classic finish that resists corrosion and blends seamlessly with your firearm. Features a crisp, repeatable elevation stud and screw for reliable zero retention shot after shot. Specifications Part #: KL162F Style: Old style square tang rear