Cylinder locking up on Uberti

2495 Views 6 Replies 5 Participants Last post by mc1911, Jan 27, 2018

Cornerpocket

Discussion Starter · #1 · Dec 22, 2017

A few weeks ago, I posted on here about loose screws on my Uberti and a problem with the cylinder locking up. Everybody was so interested in the loose screw issue (since resolved) that the cylinder issue got lost in the shuffle so I'd like to try again. I got a Uberti Cattleman II last year and have now put maybe a hundred to a hundred and fifty rounds through it. If I recall, the first range trip or two was fine but since then the cylinder wants to bind up on me. The hammer becomes difficult to cock and, when going to half-cock and emptying spent cases, the cylinder becomes very difficult to turn. Within a single range trip it seems to get worse the more it is shot so that there is some resistance in cocking with the first cylinder and it is moderately binding when emptying cases but it gets worse (both cocking and ejecting empties) with each new cylinder. By the third or forth cylinder, it's essentially unusable. Once the empties are out of the cylinder, however, it rotates smoothly. I am using factory loads and the gun has never had enough rounds through it to get really dirty although I did remove the cylinder and clean it once after only about fifty rounds. I'm ready to send it back to Uberti but I wanted to see if I was missing anything. This is my first single-action revolver so I am not real experienced with them.

Thanks in advance for any help or advice.

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armorer1911

· Registered

Joined Aug 2, 2012

221 Posts

#4 · Jan 4, 2018

Hi,
I am a Revolver Armorer and attended well over 1/2 month of Factory LE Wheelgun Armorer Training.
What is critical in figuring things out is how the action is binding?
That means on double action revolver's, is the binding on single action or double action or both?
Obviously, this is a single action mechanism. This might have a lot to do with the Ratchet and the "Lifter", "Pawl" or "Hand".
Can this be in fact a Cylinder misalignment problem, or is this a clearance (cylinder forcing cone) issue?
Can the problem be insufficient "latch lift", "latch drop" or even cylinder advancement, timing issue? The cylinder, fully indexing? Without training it can be one or even more problems masking and creating unique diagnosis in an approach to repairing the gun in question. This takes gauging cylinder forcing cone clearance. Listening for "sing" hand, wratchet engagement.