Smith & Wesson K Frame Model 13 Thumb Piece & Nut - Used - K875 Cleaning Accessories The 515351 Cotton Polishing Wheel

The 515351 Cotton Polishing Wheel is an essential tool for achieving mirror-finish results on firearm components

Factory OEM mainspring designed for Smith & Wesson K and N frame revolvers

especially with hard primers or in cold weather

265-inch trigger width is the standard service trigger size for K Frame revolvers

Compatible Frame Sizes:

Smith & Wesson K Frame Model 13 Thumb Piece & Nut - Used - K875 Cleaning Accessories The 515351 Cotton Polishing WheelK875 Smith & Wesson Used K Frame Model 13 Thumb Piece & Nut Cleaned, Inspected, and Guaranteed How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with the serial # . If this is the case