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My current GP100 is a stainless 6" 357 magnum.
I really like the revolver, it shoots very accurately and is a pleasure to use.

This is the third revolver I've owned, and one thing is a pain in the rear:

When shooting 25-50 rounds at the range, of almost any kind of ammo, this particular gun has a tendency to start binding up on the cylinder, and I believe it is because the cylinder gap is only about .004. I think the carbon/crud buildup that will slowly start appearing on the cylinder throat face, and the face of the forcing cone start touching/binding.

Is .004 on the small side, and if so, how do I handle this situation?

Thanks for your advice!
Merry Christmas!

Crab


“Even if you’re on the right track, you’ll get run over if you just sit there.”
--- Will Rogers
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The proper way is to use a breech facing cutter that pilots on the bore and shorten the breech end of the barrel by a couple of thousandths. The easiest way is to call Ruger Customer Service, explain the problem, have them email you a label, and send the gun in for service under their lifetime guarantee.

Bill Jacobs


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Originally Posted by Clemson
The proper way is to use a breech facing cutter that pilots on the bore and shorten the breech end of the barrel by a couple of thousandths. The easiest way is to call Ruger Customer Service, explain the problem, have them email you a label, and send the gun in for service under their lifetime guarantee.

Bill Jacobs

Thanks much, Bill, for your sage advice!

Merry Christmas to you and yours!


“Even if you’re on the right track, you’ll get run over if you just sit there.”
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Kinda nice having a tight BC gap. .004 is on the tight side but I have a few S&Ws that tight and they run dirty ammo just fine.

.006 is what most folks shoot for. I'd probably go the breech cutter route and take .001+ off and see how it runs. But I also own a breech facing cutter setup.

It'll be cheaper to have Ruger fix it... they'll probably just cut the gap a tad bigger. Which is fine.

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Originally Posted by TX35W
Kinda nice having a tight BC gap. .004 is on the tight side but I have a few S&Ws that tight and they run dirty ammo just fine.

.006 is what most folks shoot for. I'd probably go the breech cutter route and take .001+ off and see how it runs. But I also own a breech facing cutter setup.
I do too.. And I agree - another .001-.002 should fix the issue.. I've done that on a few in my days.. smile

But if Ruger does it, it'll maintain your warranty.. FWIW.


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Thanks so very much for the replies and advice from Clemson, TX35W and Redneck!!

I have sent the GP100 back to Ruger (today) and will await what transpires.

You folks, taking your time to educate me on this situation, is much-appreciated.

Will keep you appraised of the outcome.

God Bless and Merry Christmas!

Jerry (oldcrab)


“Even if you’re on the right track, you’ll get run over if you just sit there.”
--- Will Rogers

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