Smith & Wesson K Frame Model 66 .357 Magnum Hammer .375" Spur Key Lock (MIM) Used, Part# 66107E 2 1/2 Barrel Length Pro Tip: This extra power

Pro Tip: This extra power spring is ideal for shooters using hot +P ammunition or compensated pistols

Smith & Wesson Model 627 -

Note: While K Frame barrels share similar dimensions

This genuine Smith & Wesson 4-inch barrel is a factory OEM replacement part designed specifically for the SD40 VE pistol platform

Smith & Wesson K Frame Model 66 .357 Magnum Hammer .375" Spur Key Lock (MIM) Used, Part# 66107E 2 1/2 Barrel Length Pro Tip: This extra powerSmith & Wesson K Frame Model 66 Hammer Part# 66107E OEM Smith & Wesson replacement hammer for the Model 66 Combat Magnum revolver. This is a used, original style MIM (Metal Injection Molded) hammer with a . 375" spur, designed for Key Lock (internal lock) equipped revolvers. Part Details Part Number: 66107E Spur Width: . 375" Construction: MIM (Metal Injection Molded) Style: Old Style Original Configuration Condition: Used functional, shows normal