Security Six cylinder drags

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Col. Harrumph

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I took the new-to-me Ruger out today and put all of 18 rounds through it with no trouble (Winchester brass, 14.7 gr. of 2400, CCI 550 cap, corked with a 150 gr. RCBS SWC).

Then loading the next 6... hmm.

The cylinder didn't want to open. Then it really objected to closing up, although it finally did with some gentle persuasion. But then it needed help to rotate the cylinder through the final shots.

Examining: she spins freely when opened. The BC gap is ohmaybe 4 thousandths by calibrated Mk. 1 eyeball. No buildup on the cylinder face: daylight visible everywhere but the rear. No crud under the extractor star, which seats flush. There is very slight wobble in the extractor rod but it can't be more than a couple thousandths.

Take home, field strip and clean like blazes. With the trigger group and cylinder stop out the cylinder still drags a bit when closed and spun with fingers. Cleaned and reassembled there's still perceptible drag but nothing really objectionable.

This is the only DA Ruger I have experience with and I doubt it's normal. I can find nothing else to consider but that the fit between the extractor star and the recoil face is too tight, Is this a common situation with these?
 
Does it do it empty was well as with rounds in it? I recently had a binding issue with a revolver and it turned out to be a few little burrs grabbing the end of the cartridges. Had never done it before that I noticed, but removing the burrs the action is smoother than it ever was since I owned it. Does any of the brass you shot show signs of scratches or odd marks?
 
the fit between the extractor star and the recoil face is too tight, Is this a common situation with these?
It hasn't been a problem with the 3 or 4 Security Sixes I've had, nor is it a problem with the one I have now. So I'll I've to say no, it isn't a "common situation" with Security Sixes.
Note: I'm not saying it's not a problem with yours. I hope you get it running right.:)
 
I've seen this condition in new Rugers, and believe it was traced to a burr or chip the stack of crane-cylinder-ejector.

I'll bet a teardown and cleaning with a toothbrush whisks away an almost invisible chip.
 
I had a similar issue with my Security Six. Turns out the ejector rod was unscrewing itself ever so slightly with use.


I ended up tightening the ejector rod all the way, and then backing off just a hair (maybe a quarter turn). Then I put a dab of clear nail polish at the end of the ejector rod to hold it in place. No problems since.
 
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