Smith & Wesson J Frame Pre-Model Main Spring & Stirrup Used 16 preventing double-feeds and ensuring reliable

preventing double-feeds and ensuring reliable feeding

Important: This is the old style crowned screw for revolvers manufactured before 1988

Long Group A spring design

Improper installation can result in serious injury or death

Part Number: 19143G

Smith & Wesson J Frame Pre-Model Main Spring & Stirrup Used 16 preventing double-feeds and ensuring reliableSmith & 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.