Colt SAA - Need Help

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mattsh

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I just purchased a LNIB 1978 Colt SAA in .357 Magnum with 4.75" barrel. It is incredibly beautiful and I like it very much. I just have one question because I was kinda shocked that in lockup there is some cylinder movement that can take place if one tries to move the cylinder end-to-end or on its rotational axis.

I have read numerous threads about end-to-end cylinder play, but have not found any thread about the side-to-side or "rotational axis" play.

With either the hammer down or the hammer at full cock, should there be any cylinder movement on its rotational axis? The bolt seems to be fully engaged in the recess on the cylinder, but there is slight movement. Is this normal?

1. With the trigger pulled (and held) and forcibly holding the hammer to its most rearward travel, there is no movement it is rock solid.

2. With the trigger pulled (and held) and the hammer allowed a slight forward movement as it would be moving to strike a cartridge, there is slight movement. Best I can tell about 0.004" travel.

3. Without the trigger pulled and the hammer all the way forward as it would be when striking a cartridge, there is slight movement. Again, best I can tell about 0.004" travel.

To see how other revolvers compared, I went to the local gun shop and handled a couple revolvers from other manufacturers along with Colt.

First was a Taurus Gaucho, now I know most people don't think much of these but this one must have been made/assembled/whatever by someone who cared. This gun's action is just down right nice, smooth as glass and very crisp. Anyway, back to the point, the lockup on this revolver was "vault" tight. With the hammer cocked or not, whether the trigger was pulled or not, it was tight, no wiggle at all.

Second was a USFA. Again, this gun was tight and the action smooth and crisp.

Third were several Colt Python's. Each of them had the exact same cylinder play on the rotational axis as my SAA. And just like my SAA they were vault tight when the trigger was pulled and the hammer held back. Now I know that the Python's are DA and have an all-together different action than my SAA but I know that the Python's are noted for their tight cylinder lock up as well.

So after seeing the Gaucho and the USFA I am genuinely concerned that there should not be any play in the cylinder on its rotational axis.

I am placing an order for the J.K. Colt SAA book. However, until it arrives I would like to know what all of you have to say. Help me out here. Am I being overly cautious?
 
Don't get confused between a Python and an SAA. In the DA revolver, the hand that moves the cylinder is attached to the trigger, so it is trigger pressure that locks up the cylinder. In the SAA, the hand is attached to the hammer so it locks up tightest when the hammer is pulled all the way back. As soon as the hammer is released, it will no longer lock up as tightly.

All mechanical objects need some clearances in order to function, and IMHO a rotational movement of .004" is not of any concern. There are some folks who insist there should be no play of any kind in the cylinder when locked up, but those folks are seeking an ideal situation and don't live in the real world.

In fact the old Colt DA action (e.g., the Python), can have a problem the other way. The second step of the hand pushes on the the cylinder ratchet so hard that if there is some wear in the cylinder bolt, it can actually force the cylinder OUT of alignment the other way, past the barrel.

Jim
 
+1

Sounds perfectly normal for a modern Colt SAA.

Back in the old day, they fit the 1st & 2nd gen guns much better.

My 3rd. gen Colt SAA made several years ago, rattles in every direction. It still shoots like a match grade gun though.
A frinds more recent 3rd. gen gun is tight and really well fitted.
But it is not as accurate as mine.

As long as end-shake doesn't allow the front of the cylinder to rub on the back of the barrel, you are good.

rc
 
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