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Old 05-06-2010, 17:05   #1
Jason D
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MKIII issues, fixes, and bashing your head on the wall.

First of all I am pretty sure my issues are solved.

I purchased a brand new MKIII target.
I had not even bothered shooting the gun, before I ripped it's guts out.
Installing a Volquartsen trigger kit really does make a major improvement.

Shooting the gun, I experienced three stove pipes in the first 50 rounds.
The failure to extract I attributed to the gun being new, and not broken in.
Still, I couldn't take the chance of a stove pipe during a match. I went ahead and ordered a Volquartsen bolt kit.

After getting it installed, I took it out back to test fire it.
Shooting the same magazine I had been using for the last 400 rounds, and the same ammo Winchester Super X. I experienced one stove pipe right after another.

Doubting the new parts caused this, I broke out my extra magazines.
Two would cause serious stove pipes, and two were reliable.

I was aware of the magazine fix though. I took one magazine, and polished up the feed lips with a Norton triangular india stone. I only had time to run 15 rounds through the magazine, but it seemed to solve the problem.

I hope to experiment with it more next week.


The number one cause of stove pipes in the MKIII, is the crappy stamped extractor. A fix of course is replacing it with a better part.

While I am not sure what was going on with the magazine, polishing the feed lips helped. I did not file them off to the extreme as some, but only enough so the round doesn't slow down coming out of the magazine.
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Old 05-06-2010, 19:16   #2
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Polishing the feed ramps to a certain point will help your issue. You may have it just right or do a LITTLE bit more-- Too much of anything is a bad thing, ultimately. maybe.....

Regardless, I have seen Ruger "Factory" extractors , identical part numbers, ordered at the same time, arrive- and they are not the same quality or specs. It may be worth ordering another extractor and trying it, then doing a little more polishing of your "resistance" points and sticking with your reliable mags, and running 300+ more rounds through her.

Stay away from Win Sup X, IMO.

You're better off with Federal Bulk, or CCI mini mags (obviously).

Good luck.

Holler with your results........
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Old 05-06-2010, 19:55   #3
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I usually shoot SV Remington Target, but it's quality is lacking of late.
I've just been shooting up old stocked ammo that I had on hand.

You can tell just by looking at the Ruger vs Volquartsen extractor, that the Ruger is junk.
Since the parts are fairly cheap, I see no problem having a spare Ruger part on hand.

The feed ramp looks good. I checked that straight away.
I wonder if my problem wasn't in the magazine all the time.
It seemed that the round was slowing down coming out of the magazine, by rubbing on the forward part of the feed lips.

The sloppily made Ruger extractor may have allowed the gun to function with a bad magazine. Putting a tighter tolerance part in the gun, may have been just enough to mess up the whole damn thing. The modified magazine seems to work, but I can't check it out thoroughly until next week.
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Old 05-06-2010, 21:17   #4
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Here's a link to a page on stovepipes & magazine mods..
http://www.1bad69.com/ruger/stovepipe.htm
This is for MKII but the feed lip mods should the same
The magazines do latch in differently though
Good Luck!!
And BTW I put a Volquartzen Exact Edge Extractor in every Ruger MKII or 10/22 I've ever had, They are much tighter & hold the round against the bolt face much better than the factory one.. I've seen one that was a JLF & just changing tha extractor healed it to a 100% plinker.. JLF = Jams Like *******
Also check out Bullseye's Gun-Talk Online Forum, Lots of Good Info there..
http://www.guntalk-online.com/forum/
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Old 05-06-2010, 22:43   #5
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I don't mean to be flippant, but it's a Ruger. That's how Rugers are. I will never buy another Ruger anything. It's literal hit or miss.

Be prepared for a deluge of posts telling you how great they are.
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Old 05-07-2010, 01:04   #6
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My experience with a mix of 9 Stds, MKIs and MKIIs has been ridiculously simple, trouble free and satisfying. Must be freaks. I must be lucky.
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Old 05-07-2010, 02:17   #7
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I'll have to say that every MKII & 10/22 I've ever had were great but that extractor is the weak link IMO..
Just buy one & put it in for $10-$12..
Good luck on the magazine mods

BTW I've never moded a mag on any of the 5 MKIIs I've had..
Great pistols for the money..
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Old 05-07-2010, 15:58   #8
Jason D
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Quote:
Originally Posted by SIG P229 View Post
Here's a link to a page on stovepipes & magazine mods..
http://www.1bad69.com/ruger/stovepipe.htm
This is for MKII but the feed lip mods should the same
The magazines do latch in differently though
Good Luck!!
And BTW I put a Volquartzen Exact Edge Extractor in every Ruger MKII or 10/22 I've ever had, They are much tighter & hold the round against the bolt face much better than the factory one.. I've seen one that was a JLF & just changing tha extractor healed it to a 100% plinker.. JLF = Jams Like *******
Also check out Bullseye's Gun-Talk Online Forum, Lots of Good Info there..
http://www.guntalk-online.com/forum/

Thanks for the link. During my research for the MKIII, I ran across that. I evidently neglected to save it.


Quote:
Originally Posted by Rooster Rugburn View Post
I don't mean to be flippant, but it's a Ruger. That's how Rugers are. I will never buy another Ruger anything. It's literal hit or miss.

Be prepared for a deluge of posts telling you how great they are.
I am not a fan of Ruger my a long shot. All the ones I ever had, were traded off for something else except my early 22/45.

I pretty much pulled the trigger on the MKIII basing it on my experience with the 22/45. That gun has run thousands of rounds without a problem.

Quote:
Originally Posted by El_Ron1 View Post
My experience with a mix of 9 Stds, MKIs and MKIIs has been ridiculously simple, trouble free and satisfying. Must be freaks. I must be lucky.
A lot of people think that the early guns were better than the new crop.

Quote:
Originally Posted by SIG P229 View Post
I'll have to say that every MKII & 10/22 I've ever had were great but that extractor is the weak link IMO..
Just buy one & put it in for $10-$12..
Good luck on the magazine mods

BTW I've never moded a mag on any of the 5 MKIIs I've had..
Great pistols for the money..
My biggest want for the .22 was to have a magazine release up on the frame.
I planned to use it as a bullseye competition gun for a match at Camp Perry.
The gun has the accuracy, I just need it to run 100%.

I hope my problem with the gun is solved, as my next step would either be to buy the Volquartsen upper, or buy another High Standard Supermatic Citation.

Most people think I'm cracked for going with the Ruger over the Hamden High Standard I already have, but it was a gift from my Father and it has sentimental value to me.
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Old 05-07-2010, 16:45   #9
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Some MKIIIs have troubles ejecting the magazine & they don't just fly out like a 1911 as there's a magazine disconector, that can be removed by adding a MKII hammer & hammer bushing BTW, & Volquartzen makes a part that fits at the bottom were the mag catch on a MKII is that forces the magazine out with a spring & lever.. This is very helpfull when you have the huge grips were getting to the magazine bottom is a problem.
Here's the link to the Vq Part, Look thew their stuff, You can spend enough on parts to justify buying a High Standard..
https://www.volquartsen.com/products...or-ruger-mkiii
I like the MKIIs & will stay with them..
Good Luck & Happy Shooting Jason D
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Old 05-07-2010, 17:10   #10
Jason D
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Quote:
Originally Posted by SIG P229 View Post
Some MKIIIs have troubles ejecting the magazine & they don't just fly out like a 1911 as there's a magazine disconector, that can be removed by adding a MKII hammer & hammer bushing BTW, & Volquartzen makes a part that fits at the bottom were the mag catch on a MKII is that forces the magazine out with a spring & lever.. This is very helpfull when you have the huge grips were getting to the magazine bottom is a problem.
Here's the link to the Vq Part, Look thew their stuff, You can spend enough on parts to justify buying a High Standard..
https://www.volquartsen.com/products...or-ruger-mkiii
I like the MKIIs & will stay with them..
Good Luck & Happy Shooting Jason D
Thanks.

I thought about going with the MKII hammer and bushing, but my gun would get disqualified of they decided to inspect it. One of the biggest rules is that all safety devices must be working.

They never said anything about the spring loaded magazine ejector though.
I may just order one of those. Everything else in the gun is Volquartsen, so I may as well add that.

I saw it for sale at MidwayUSA, but only had an idea where it went.

Rimfire Forum

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There she is in all her just about $650.00 glory.
I still need to buy a good rear target sight.
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Old 05-07-2010, 18:22   #11
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Quote:
Originally Posted by Jason D View Post
A lot of people think that the early guns were better than the new crop.
I will never personally know... I do read things.
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Old 05-07-2010, 19:09   #12
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Mullahronie
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Old 05-07-2010, 19:20   #13
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I bought a mark 3 stainless target 6 7/8" and a box of minimags, and 6 spare mags.

We're into the third thousand, and I *am* going to do a full field strip one of these days.

It jammed once.

Oh, yeah, well, it was a BIG box of mini mags..
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Old 05-07-2010, 20:15   #14
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Here's my $300 KMK678 Ruiger MKII Target I bought January 1st

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Old 05-07-2010, 22:40   #15
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To lose the mag disconnect --you just need the MkII bushing--a $6 part---thats it----the Ruger hammer works fine.

I would remove the LCI first--and see if that cures your problems----before you go spending a lot of money on spare parts.

My MkIII works like a champ--and all I did was the bushing swap---I'll dump the LCI next--but honestly it hasn't givin me any problems---I just don't like it is all.
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Old 05-15-2010, 13:52   #16
Jason D
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I ran 250 rounds through the gun the other day, and it still suffered from stove pipes.
They are random, and with all different kinds of ammunition.


To date I have added the Volq accurizer trigger kit, bolt tune up kit, disabled the LCI, modified all four magazines, and polished the feed ramp.
I am waiting on a MKII hammer bushing, so I can get rid of the magazine disconnect.

I am starting to have fantasies about blowing it to pieces with my M1a.
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Old 05-15-2010, 16:00   #17
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Pouring over everything I have done, and everything there is to read the subject.
I have decided to take a look at the magazines again.

I took two of them, and radiused the feed lips slightly more.
I truly believe the problem wasn't in the gun at all, and I just failed to modified the magazines enough.

I took a snap cap and determined that it was hitting the feed lips still, long before it was getting to the ejector. I hope I'm done now.
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Old 05-15-2010, 17:05   #18
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Quote:
Originally Posted by SIG P229 View Post
Here's my $300 KMK678 Ruiger MKII Target I bought January 1st

Rimfire Forum
Nice picture SIG!
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Old 05-15-2010, 17:16   #19
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First thing is are you using MkII mags in a MkIII with the mag disconnect in place?

Second, is if it is not working, send it back to Ruger before modifying it.

When it is working correctly, install the following aftermarket parts: Clark hammer bushing & sear pin. Volquartsen sear and trigger. When the stock extractor wears out, replace it with a VQ. The two stock extractors I have replaced made it to 4k rounds. To save on shipping order the extractor with the trigger & sear.

I have five 22/45's, two MkIII's and three MkII's, and <3 them all. Payment for #6 was sent out last week (MkII great eight).
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Old 05-15-2010, 17:49   #20
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These are MKIII magazines.

It never exactly worked right. It stove piped right off the bat, so the first thing I did was change the extractor. I then modified the magazines, then disabled the LCI. When that didn't help. I went back over everything, and re-modified the magazines a little more radically.

For a plinking gun, it probably would have been alright.
I am trying to turn it into a match pistol.

The barrel has the accuracy, I just need everything else to run 100%.
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