445000025 ISMI New J Frame Hammer & Trigger Spring Kit k12n Smith & Wesson Model 18

Smith & Wesson Model 18 -

8455-36  10" Spiral Buff Wheel 1/2" Wide 3/4" High

This firing pin bushing is designed specifically for the Smith & Wesson J Frame Model 940

the cylinder stop rises to engage the cylinder notch

445000025 ISMI New J Frame Hammer & Trigger Spring Kit k12n Smith & Wesson Model 18445000025 ISMI New J Frame Hammer & Trigger Spring Kit 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 this is the case