Smith & Wesson K Frame Model 12 Cylinder Assembly with Yoke 5-Shot .38 Special - Part# 1263 3rd generation Fits Smith & Wesson M&P Part Number 66190C MU7274B Barrel Assembly Color:Darker Brown

Fits Smith & Wesson M&P 9 M2

Proper hand function is essential for reliable operation and accurate timing

This complete cylinder and yoke unit is precision-manufactured to original specifications

There is minor cosmetic wear including a small chip consistent with age and previous use

⚠️ Fitment & Compatibility Notice: S&W revolver hammers are not drop-in parts and generally require minor fitting by a qualified gunsmith for proper timing and sear engagement

Smith & Wesson K Frame Model 12 Cylinder Assembly with Yoke 5 Shot .38 Special Part# 1263 3rd generation Fits Smith & Wesson M&P Part Number 66190C MU7274B Barrel Assembly Color:Darker Brown Fits Smith & Wesson M&P 9 M2 Proper hand function is essential for reliable operation and accurate timing