K727 Smith & Wesson Used K Frame Model 17-8 22LR New Style Thumbpiece & Nut 360PD Model Frame Caliber 581

Model Frame Caliber 581

stainless steel

non-pinned configuration

Part Number: 210630000

K727 Smith & Wesson Used K Frame Model 17-8 22LR New Style Thumbpiece & Nut 360PD Model Frame Caliber 581K727 Smith & Wesson Used K Frame Model 17 8 22LR New Style Thumbpiece & Nut Used Gun Parts and Accessories. Cleaned, Inspected, and Guaranteed! Please call or email with any questions! 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