Smith & Wesson K Frame Model 66 .357 Magnum Hammer .375" Spur Key Lock (MIM) Used, Part# 66107E j432u How to Find Your Model

How to Find Your Model Number

0 (first generation) pistols

Indicator Plunger

✓ Serrated slide grooves for positive grip

and hammer nose

Smith & Wesson K Frame Model 66 .357 Magnum Hammer .375" Spur Key Lock (MIM) Used, Part# 66107E j432u How to Find Your ModelSmith & 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