I think the J, or K frame center pin will work. They are all .125" in diameter I believe. The key is to find a pin with the shoulder or collar in the correct location. Can you post a photo with a scale laying beside the current pin?
If the collar on the newly sourced pin is too far back, you can always cut and reshape the breech end of the pin. (it will be too long)
The overall length will need to be cut to fit your assembly at the muzzle end too, so that it operates the front locking lug correctly.
Carter
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Ret. LE, FA Instr, S&W Armorer
Last edited by armorer951; 03-08-2024 at 03:58 PM.
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