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MK III Mag Problem

This is a discussion on MK III Mag Problem within the Ruger Rimfires forums, part of the Pistol & Revolver Forum category; I have an MK III Standard, and I had a gunsmith install some parts on it for me and disable the magazine disconnect safety. I ...


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Old April 6th, 2013, 07:57 AM   #1
 
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MK III Mag Problem

I have an MK III Standard, and I had a gunsmith install some parts on it for me and disable the magazine disconnect safety. I know for certain that the magazine disconnect safety has been disabled, because I can dry fire the pistol without a magazine in it. The magazines are now supposed to fall free when the magazine release button is pressed, but they don't. In fact, they're now harder than ever to get out. I've heard of the suggestion of loosening the grip screws to see if that solves the problem, but it didn't.

What's wrong, and how can I fix it without the hassle of taking it back to a gunsmith?



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Old April 6th, 2013, 09:03 AM   #2
 
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The only part he should have changed was the bushing, and removed the old bushing,spring and mag discounnect lever. I did mine in about 10 mins using a Tandenkross bushing. It's an easy job on the MKIII's the 22/45 is a little harder beccause of the sear spring. After I did did it on both my MK's the mags drop right out, just like a 1911.

Last edited by gmsoapy; April 6th, 2013 at 08:54 PM.
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Old April 6th, 2013, 10:40 AM   #3
 
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Quote:
Originally Posted by gmsoapy View Post
The only part he should have changed was the bushing, and removed the old bushing,spring and mag discounnect lever. I did mine in about 10 mins using a Tandenkross bushing. It's an easy job on the MKIII's the 22/45 is a little harder beccause of the sear spring. Afte I did did it on both my MK's the mags drop right out, just like a 1911.
I used the same parts in mine..I also did a DIY job in about the sam time.. My thoughts are..DO NOT use that gun smith again..and get your money back Get the proper bushing and getterdone.. My Mags SHOOT out of the bottom now..Hmmmm just like a real weapon..<G>

wPm
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Old April 6th, 2013, 10:42 AM   #4
 
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What part of GA. are you in? I am 9 miles south of the southern border in Glen Saint Mary FL. If cole bring it here..I will do the work for you and NO charge..

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Old April 6th, 2013, 10:44 AM   #5
 
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Same here Tandenkross bushings in both my Mark IIIs. Ten minutes and everything works great. Mags fly right out.
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Old April 6th, 2013, 11:29 AM   #6
 
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Thanks for the offer, Buffalo11, but I'm too far away.
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Old April 6th, 2013, 02:12 PM   #7
 
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Two potential issues come to mind, how is the mag safety disabled? Is the hook lever still there with just the end clipped off? If so, then it still pinches the magazines and therefore only lets them drop about a quarter of an inch when you press the release button. If the hook end is clipped off of the lever it will pinch even more on the magazine body and make removal a little harder. Next your trigger, does it still have the spur on the back side of it? The hammer spur could be catching on the upper window of the magazine, especially if you have a Mark III trigger with a pretravel adjustment screw. Both of these issues can cause your magazines to not drop free.

R,
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Old April 6th, 2013, 02:19 PM   #8
 
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UPDATE: I field stripped the pistol and then inserted a mag and pushed the mag release. The mag fell free like it's supposed to. I then reassembled the gun (the 1st time I've managed to accomplish that feat--yay!) and tried it again. Success! *BUT* after dry firing the pistol a few times, the mags went back to sticking like they were before. What the hell?!?!
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Old April 6th, 2013, 08:58 PM   #9
 
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Quote:
Originally Posted by BOPMan View Post
UPDATE: I field stripped the pistol and then inserted a mag and pushed the mag release. The mag fell free like it's supposed to. I then reassembled the gun (the 1st time I've managed to accomplish that feat--yay!) and tried it again. Success! *BUT* after dry firing the pistol a few times, the mags went back to sticking like they were before. What the hell?!?!
Check out what Bullseye said he's a master at these guns. But as I said before he should have changed out the bushing and removed all the old stuff. with the reciever off there should be no levers on the right side of the frame in the mag well and when you look at the hammer the only lever on the bushing should be the disconnector assembly part #39 which runs along the right side of the frame between the tigger and the hammer.

Last edited by gmsoapy; April 6th, 2013 at 09:08 PM.
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Old April 7th, 2013, 06:54 PM   #10
 
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The gunsmith installed for me (among other things) the Majestic Arms 3.2 Bushing, which you can see here about 1/3 of the way down the page: Speed Strip Kit

I don't think the gunsmith simply snipped something short to disable the mag disconnect safety. I got the following OEM parts back in a little baggie when I picked up the pistol: the hammer (part no. 36), the mag disconnector spring (part no. 37), the mag disconnector (part no. 38), and the hammer bushing (part no. 40). The only thing that seems a little off is that the small metal piece that is shown hanging down from the hammer in the exploded diagram was not in the baggie. However, I think the gunsmith simply reused that part, since it looks like it did not come with the Majestic Arms replacement parts.
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Old April 8th, 2013, 08:20 AM   #11
 
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Ok BopMan. In that case I would call majestic and speak to Dino. As all the parts used were Majestic parts, and all the parts your gunsmith took out are the correct parts to remove the mag disconnect. The part up didn't get back is the hammer strut,which I forget if that has to be used on Majastic's hammer. I have 3 MKIII's and two have the Tandenkross bushing in them. You could also check Majustis's web site to see if they say anything about your problem there.
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Old April 8th, 2013, 04:36 PM   #12
 
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Interesting issue.
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Old April 8th, 2013, 05:31 PM   #13
 
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I e-mailed Dino Longueira at Majestic Arms. In his reply, he said that sometimes there is a tolerance issue with the hammer and sear relationship and that that's what may be causing the problem. I guess that helps explain why the magazines dropped fine after I field stripped and reassembled the pistol and then started sticking again after I dry fired it 2 or 3 times.

Mr. Longueira also said to give him a phone call for a detailed explanation of how to fix it. I don't think I'm going to bother to do that. If I felt comfortable operating on this pistol, I wouldn't have taken it to a gunsmith to install the parts to begin with. Heck, out of the 3 times I've field stripped it, I've only managed to successfully reassemble it once. As that great philosopher Dirty Harry Callahan once observed, "A man's got to know his limitations."

I also called the gunsmith who installed the parts for me. He said that if I bring the pistol back to him, he would get it straightened out, and the implication was that there would be no additional charge, which I think is only fair. If I start mucking about with the gun's internal organs, then I think that will only increase the chance that the gunsmith will charge me extra.

The bummer is that the gunsmith is almost an hour's drive from my house. I don't have to be at work until noon tomorrow, so I think I'll try to get to his workshop close to opening time, and hopefully he can fix the pistol while I wait to save me an additional trip.

I bet some marriages have gone up in smoke over less than I've been through with this gun.

Last edited by BOPMan; April 8th, 2013 at 05:34 PM.
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Old April 8th, 2013, 05:57 PM   #14
 
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I would carefully insist he does it at no additional charge.
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Old April 9th, 2013, 08:18 AM   #15
 
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It's really not the gunsmiths fault as these are after market parts. But any good bussiness man would fix it just for good will.
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