J150 Smith and Wesson J Frame Model Pre 37 .240" Trigger Blue Used 38Spl Model 66 25" barrel models or Compact/Subcompact

25" barrel models or Compact/Subcompact models

Type: Complete hammer assembly

K672 Smith & Wesson Used K Frame Model K-22 22LR Hammer Assembly Rimfire

reducing extractor tension

J150 Smith and Wesson J Frame Model Pre 37 .240" Trigger Blue Used 38Spl Model 66 25" barrel models or Compact/SubcompactPart# J150 Smith and Wesson J Frame Model Pre 37 . 240" Trigger Blue Used 38Spl Revolver Pistol Gun Part. 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