The K,L, and N cylinder stop springs are the same. If the trigger is locking up, the spring could be causing the problem. If the spring is in a bind in the cavity or against the frame, the stop may not work correctly. You might try re-installing the spring to make sure the stop is free to move all four directions, up, down on the trigger pull phase, and forward and back on the trigger return or reset phase.
(Remember not to cycle the action under mainspring tension with the sideplate off.)
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Ret. LE, FA Instr, S&W Armorer
Last edited by armorer951; 07-04-2020 at 08:39 PM.
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