Smith & Wesson J Frame Pre-Model Main Spring & Stirrup Used 10-Round Magazine Trigger assembly replacement requires precise

Trigger assembly replacement requires precise fitting and timing

Factory OEM Smith & Wesson MIM (Metal Injection Molded) hammer for K Frame centerfire revolvers

This precision-manufactured barrel includes a pre-installed black front sight for immediate use

threads clean and functional

Smith & Wesson J Frame Pre-Model Main Spring & Stirrup Used 10-Round Magazine Trigger assembly replacement requires preciseSmith & Wesson J Frame Pre Model Main Spring & Stirrup Used (Part# J36141A) This listing is for one used Smith & Wesson J Frame Pre Model main spring and stirrup assembly. This is an OEM factory part in used condition. The main spring (also called the hammer spring) powers the hammer, while the stirrup links the main spring to the hammer. This assembly fits all J Frame Pre Model revolvers produced before the model numbering system began in 195758.