August 3, 2009
I've got an old Monson, Mass. made model 15-2 I bought from a pawn shop back in the 90's. It looks a bit worn but has always shot fine (I think it is the most accurate handgun I own). The problem is the cylinder has some play from side to side. I was ignorant when I bought it & didn't know to check lock up. I would like to tighten it up. I have been digging & reading here & my understanding is that the bolt pushing into the grooves in the bottom of the cylinder is what should lock it up. I haven't taken it apart yet as I wanted to ask what parts are most likely needed. Is there a way to know before I break it down?
October 17, 2017
Lockup occurs when the hammer has been pulled to full cock. The bolt should most certainly be seated in the bolt cut on the cylinder, but more importantly the hand should have rotated the cylinder into alignment and is holding there by wedging itself between the side plate and ratchet. Even in this state it will still have a small amount of side play.
August 3, 2009
3ric said
Lockup occurs when the hammer has been pulled to full cock. The bolt should most certainly be seated in the bolt cut on the cylinder, but more importantly the hand should have rotated the cylinder into alignment and is holding there by wedging itself between the side plate and ratchet. Even in this state it will still have a small amount of side play.
Thank you, for the education.
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