L193 Smith & Wesson Used L Frame Model 581 Thumbpiece & Nut .357 Magnum k648n Airweight revolvers feature aluminum alloy

Airweight revolvers feature aluminum alloy frames that significantly reduce weight compared to steel-frame models like the Model 49

or for spare parts

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38 Special 2" Blue 5-Shot Cylinder — Part #J539

L193 Smith & Wesson Used L Frame Model 581 Thumbpiece & Nut .357 Magnum k648n Airweight revolvers feature aluminum alloyL193 Smith & Wesson Used L Frame Model 581 . 357 Magnum Blue Thumbpiece & Nut 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 we can possibly still find the part you need with the serial # . If