Problem with my SAA

[Dynamic]

Hey guys I have an armi san marcos imported by efm in the Early 90s Saa IN 44/40.

Got it used a month ago and finally took it to the range today. Only shot about 20 rounds thru it with no issues .

Now I just finished cleaning it , am trying to put the cylinder back but with the cylinder seated the hammer won't move out of half cock.

It looks like the cylinder is seated correctly I put the guide rod in correctly but the hammer and trigger won't move at all.

Also with no cylinder the trigger feels funky. When I pull the hammer back the trigger moves back and forth. It just feels odd and I'm sure it was not doing that before because it caught my attention when I pulled the hammer back.

Hopefully I'm missing something abviouse ?

I have removed the cylinder alot of times before with no issues , the action was smooth.

[Dynamic]

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[Bastard]

start by checking to make sure that all the screws are tight.

if that doesn't work pull the gun apart and put it back together, it is much easier than you might think, I mean the thing was designed in the 1800s and is held together by screws

also not a bad idea, if you haven't already - order a set of Wolff springs for the gun, what you really want to is replace that damned wire sear spring with the flat spring.... and IIRC if the sear spring is damaged, it could easily bind up the gun

[Pardini]

The cylinder pin has two grooves cut in it. You need to push the pin in until it hits the first groove. If you push the pin in all the way it will extend all the way through and block the hammer from falling. A safety of sorts.

This won't affect the trigger at all and as I remember doesn't hold the hammer as far back as half cock, but might be something to check. It won't stop the trigger from dropping the hammer at full cock. It just stops the firing pin from striking the primer. I think it is possible to push the pin beyond the second groove in the pin and that might be the problem.

[Dynamic]

I found the problem while disassembling it I noticed a piece was broken and sure enough a piece fell will post pics shortly

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[Dynamic]

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[Dynamic]

Here is the piece it broke from. What is this and why would it break ?

[Dynamic]

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[otteray]

Probably the cylinder bolt. There aren't very many part in a SAA. Go to Numrich and look at a schematic drawing.

[Dynamic]

Yes looks it's the bolt. The broke. Piece on the side goes with the bigger one

Why would this break ?

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[otteray]

Fanning the trigger.

[otteray]

Are the cylinder notches and the bolt's window peened, too? That would be a clue as well, for fanning.

[Dynamic]

Yes I have fanned it like 5 times lol ol post pics of the cylinder

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[Dynamic]

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[Pardini]

Those guns have a bad reputation for having soft internal parts. Pretty good guns otherwise. Back when they were fairly popular in CAS it was common to replace the internals with Colt parts. I've 2 pair and not had any problems and the 32/20 set has been used pretty hard.