Posted: 6/24/2009 5:37:23 PM EDT
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So here was the original problem:
"I have a Ruger MK II target pistol that is great fun when it works. However for years now I have had a problem with it jamming. I have tried a variety of ammo and fixes, but nothing has done the trick. The problem is that often the gun will fail to extract a round, and the empty shell will stovepipe out of the chamber. At first I thought this was due to a worn out extractor claw, so I replaced that with a titanium one. This did not improve things. I have taken it to a shop, but they just told me to "clean it really well", which I do, and at best the gun will work flawlessly for about 20 rounds, and then start exhibiting this behavior again. " After a few months of tinkering around and cleaning it and generally cursing the gun, I got around to ordering some replacement parts from Ruger. KA02200 – EXTRACTOR KA20300 – EXTRACTOR SPRING KA-57 – Recoil Spring Assembly In total, about $15 in parts after shipping. I installed the parts on Monday, and today I went through 9 mags flawlessly. I just wanted to post the resolution in case anybody else runs into the same problem. If your Ruger MK II starts jamming, stove-piping rounds, and you've already cleaned the gun until it shines: it's time to buy new springs. 
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Quoted:
So here was the original problem: "I have a Ruger MK II target pistol that is great fun when it works. However for years now I have had a problem with it jamming. I have tried a variety of ammo and fixes, but nothing has done the trick. The problem is that often the gun will fail to extract a round, and the empty shell will stovepipe out of the chamber. At first I thought this was due to a worn out extractor claw, so I replaced that with a titanium one. This did not improve things. I have taken it to a shop, but they just told me to "clean it really well", which I do, and at best the gun will work flawlessly for about 20 rounds, and then start exhibiting this behavior again. " After a few months of tinkering around and cleaning it and generally cursing the gun, I got around to ordering some replacement parts from Ruger. KA02200 – EXTRACTOR KA20300 – EXTRACTOR SPRING KA-57 – Recoil Spring Assembly In total, about $15 in parts after shipping. I installed the parts on Monday, and today I went through 9 mags flawlessly. I just wanted to post the resolution in case anybody else runs into the same problem. If your Ruger MK II starts jamming, stove-piping rounds, and you've already cleaned the gun until it shines: it's time to buy new springs. Thanks for the heads up, complete with part numbers. If my MK II starts acting up, I'll look at this solution. 
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Thanks, I have an old Mark I doing the same thing. I suspected it was the extractor and or springs, but haven;t gotten around to doing anything about it. Looks like a quick order is on the menu now! Did you order from Brownell's or does Ruger sell parts directly? |