Anyone had this happen before?


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Vicious-Peanut
July 1, 2010, 10:52 PM
So I was out shooting my GP100 with some friends and we were all firing it single action. Twice the hammer would only pull back about halfway and then lockup. I don't remember how I got it unlocked, but it kinda worried me. I havent shot it since, but I might try this weekend, anyone else have something like this happen?

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mongo4567
July 2, 2010, 12:54 AM
It sounds like a timing issue. Two new Taurus revolvers I had came like that out of the box.

ArchAngelCD
July 2, 2010, 04:51 AM
I would have that revolver checked by a competent gunsmith before you fire it again.

AirForceShooter
July 2, 2010, 07:56 AM
Call Ruger
They're CS is fantastic

AFS

velocette
July 2, 2010, 10:18 AM
Were you shooting reloads? If the cases are out of spec they may not enter the chamber all the way and then hang up on the recoil shield when the cylinder turns.
Also if the chambers are very dirty, the fresh rounds again may not go in all the way and again hang up against the recoil shield.
The above situations will give you the exact symptoms you describe.
Worth checking out with a freshly cleaned revolver and good ammo.

Roger

Legionnaire
July 2, 2010, 10:37 AM
Is this a new gun, or one you've shot a lot previously without problems?

RevolvingGarbage
July 2, 2010, 11:19 AM
Could be any of the things already mentioned. It could also be an overly small B/C gap causing the cylinder to bind when the gun gets a little dirty.

kle
July 2, 2010, 01:06 PM
Could be the transfer bar hanging up on the firing pin, though I'm not sure how it could get so out of whack, unless the cylinder wasn't closed all the way.

texgunner
July 2, 2010, 05:04 PM
Were you shooting reloads? If the cases are out of spec they may not enter the chamber all the way and then hang up on the recoil shield when the cylinder turns.
Also if the chambers are very dirty, the fresh rounds again may not go in all the way and again hang up against the recoil shield.
The above situations will give you the exact symptoms you describe.
Worth checking out with a freshly cleaned revolver and good ammo.

Roger

This has happened to me with high primers.

rcmodel
July 2, 2010, 05:23 PM
I would suspect dirty chambers / hard fouling rings in the ends of the chambers from shooting .38 Special in it, followed by longer .357 Mag.

Clean the chambers with a bronze bore brush & solvent chucked in a cordless drill.

rc

Rexster
July 2, 2010, 05:58 PM
First of all, don't do anything until you have THOROUGHLY cleaned underneath the extractor with a good stiff brush. (Plastic bristles are fine, if stiff.) A tightly-fitted sixgun can get really hard to shoot, SA or DA, when a bit of fouling keeps the extractor from fully seating in place. One of my GP100s can really bind up with just the tiniest amount of fouling. I have other sixguns that will do this, just not as bad. I learned to keep an old toothbrush in my back pocket during long range sessions and shooting classes.

To be clear, this is NOT a symptom of a poor maintenance. It can happen to a very clean sixgun. How does it happen? Well, we generally hold our sixgun muzzle-up, during reloading, to allow the cases to fall free. Well, along with the cases, debris from unburned power also falls free, and some of it lands on the underside of the extractor. As the extractor springs back into position, it catches this trapped debris, and packs it down. If the pieces of debris are large, or if enough small pieces accumulate, it can make the cylinder harder to close, and once closed, harder for the action to cycle.

FWIW, two of my older GP100s, late 1980s/early 1990s era, have grunge grooves under the extractor, to allow for fouling.

Secondly, if you feel up to it, clean out the action. There could be a bit of fouling, or a small bit of metal that came loose, tending to gum things up. Nothing wrong with letting Ruger look at it, but shipping is expensive.

rmfnla
July 2, 2010, 06:20 PM
This has happened to me with high primers.
High (or set-back) primers was my first thought as well.

Vicious-Peanut
July 2, 2010, 07:44 PM
Wow, lots of response. Thanks.

This was with WWB .38 specials, so no reload issues. The gun has shot 500-600 rounds, so not new but not really used either. I'll give a good cleaning this weekend. Should I clean it up and then fire it, or just take it to a gunsmith in case something is off?

Buzzard
July 2, 2010, 08:09 PM
Give it a good scrubbing and check function by dry-firing it a dozen times or so. If your problem is gone, put a dozen rounds through it to verify; if not, take it in to a gunsmith and see if he can't figure out what the hiccup is.

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