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Help with Mark III 22/45 disassembly/reassembly

This is a discussion on Help with Mark III 22/45 disassembly/reassembly within the Ruger Rimfires forums, part of the Pistol & Revolver Forum category; I hope you can help me. After running 500 rounds through my Ruger III 22/45 RP, I was attempting my first disassembly to clean it. ...


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Old January 24th, 2011, 06:07 PM   #1
 
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Help with Mark III 22/45 disassembly/reassembly

I hope you can help me. After running 500 rounds through my Ruger III 22/45 RP, I was attempting my first disassembly to clean it. I was not able to get the bolt stop pin out. After getting it half out I could not get it out any further (and I didn't have wooden dowel to use to tap it the remaining way out). So, I decided to put it back together until I could pick up a dowel. The problem is now that it is put together, I cannot get the bolt to move farther back more than maybe 1/4 inch or so. I cannot move the safety off of "F" either. I plan on calling Ruger tomorrow but any help you all can offer would be appreciated. Thanks!



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Old January 24th, 2011, 06:26 PM   #2
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Well you have just joined the club. 90% off all mark III owners have been in your shoes so don't feel to bad. Relax and put the gun away for the night. There is no need to call Ruger. Wait until you have a wooden dowel and punch that sucker out. I used a metal punch on mine because I was so stressed I just wanted it out. Once you get it out and disassemble the gun as far down as you feel you must get ready for the reassembly. MAKE SURE you have you owners manual IN FRONT OF YOU while you are reassembling th gun. Go slow step by step and follow the directions EXACTLY as it says. There is a few weird things you have to do to get the gun back together.
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Old January 24th, 2011, 06:53 PM   #3
 
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Quote:
Originally Posted by GunsAreGood View Post
Well you have just joined the club. 90% off all mark III owners have been in your shoes so don't feel to bad. Relax and put the gun away for the night. There is no need to call Ruger. Wait until you have a wooden dowel and punch that sucker out. I used a metal punch on mine because I was so stressed I just wanted it out. Once you get it out and disassemble the gun as far down as you feel you must get ready for the reassembly. MAKE SURE you have you owners manual IN FRONT OF YOU while you are reassembling th gun. Go slow step by step and follow the directions EXACTLY as it says. There is a few weird things you have to do to get the gun back together.
Do this^

The Mark series pistols are the most frustrating gun to ever take apart, at least the first time you do it. You will get the hang of it after the first couple of times.
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Old January 24th, 2011, 07:03 PM   #4
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bk10 ... The good news is that after a few times of field stripping your 22/45 it will become 2nd nature. The following link (with detail pictures) should help with the process. 2245 Maintenance Page
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Old January 24th, 2011, 07:41 PM   #5
 
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Had the same problem with my new 22/45. With the wooden dole I got the bolt stop out. Separating the receiver assembly and the barrel might also be difficult. Make sure you have a nylon faced hammer in order to separate the barrel and the grip assembly. When reassembling make sure the barrel is fully seated on the grip assembly. If it is hard to separate it will require some good wacks to reassemble the two pieces. If not mated correctly the bolt stop will not go back in.

The good news is that after the first disassembly and reassembly the process will be easier. Make sure you follow the directions provided in the owner's manual.
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Old January 24th, 2011, 07:57 PM   #6
 
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Take a look at this.

YouTube - Ruger Mark III Dis/Assembly

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Old January 24th, 2011, 09:48 PM   #7
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And, by the way, the reason you cannot get the bolt to cycle is the hammer strut. There is a bar/rod attached to the hammer that operates it. That bar is the hammer strut and it engages the mainspring, when seated, which is the part attached to the bolt pin and swivels out from the grip frame. When you reseated the mainspring, the hammer strut was not in position and is not properly engaged. The best thing to do is look at the reassembly video for the part where the mainspring is reset into the grip frame. Just before that last step there is instruction on how to position the gun so that the hammer strut lines up with the mainspring housing. No problem and don't feel bad! As previously said, it is common for the first break down.
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Old January 25th, 2011, 08:31 AM   #8
 
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I took mine apart for the first time last weekend. In my opinion the first thing to do is toss the owners manual. Then do two things. Watch the youtube video linked to above. Then go to Ruger's web site and download the owners manual from there. It's different from the one sent with my gun and it's much better, i.e. has more detail.
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Old January 25th, 2011, 01:19 PM   #9
 
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If you don't have a nylon hammer I recommend a regular one with a rag folded over several times. Make certain the MAGAZINE is OUT before hitting it with the hammer to detach the barrell.

Also I didn't have a dowell rod so i improvised with a piece of wood I had under my saw table.
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Old January 31st, 2011, 06:50 PM   #10
 
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Finally got it. Thanks for all your input. Not the easiest thing to figure out but with two Ruger manuals, several youtube videos and all your suggestions I think I now finally understand!
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Old February 1st, 2011, 02:52 AM   #11
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This is the Mark III Support group. Serously, we have all been there. It gets easier each time you do it. I will bet once a month somebody asks about how to reassemble. Watch the videos on you tube they help.
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Old February 1st, 2011, 06:47 PM   #12
 
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Glad you joined the ranks of those who have successfully disassembled and reassembled the Mark III. When I get back from the range I can have either my Mark III Hunter or 22/45 disassembled in less than a minute and reassembled perhaps in two.
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Old February 1st, 2011, 07:16 PM   #13
 
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Quote:
Originally Posted by tgwillard View Post
Glad you joined the ranks of those who have successfully disassembled and reassembled the Mark III. When I get back from the range I can have either my Mark III Hunter or 22/45 disassembled in less than a minute and reassembled perhaps in two.
My record is 1:32 to strip it and put it back together.
I was proud of that one, obviously I didn't clean it that fast though.
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Old February 2nd, 2011, 10:59 AM   #14
 
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Am I the only one who can't get the mainspring housing out? I've tried a few different things, but it's stuck well. The release pin was tight, but it's a brand new pistol. I can get the housing out as far as in the shot below, but no further. I've tried a few different things to pry or pull, but it won't budge. What could be holding it in?


I read over the manual and looked at the the exploded view diagrams, couldn't find anything. I'm still not sure what I was doing wrong, but was finally able to get it disassembled by starting over a few times. Finally got it disassembled and cleaned the grease off. These videos helped out quite a bit:

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Old February 2nd, 2011, 11:21 AM   #15
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I assume the magazine is removed. If not, remove it but I don't see it in the photo. That will cause this condition. Failing that...

The lock pin is the part that holds the barrel frame in alignment and just below that pin inside the cavity is a hook latch. Try pushing the bottom of the mainspring in a direction that would push the lock pin deeper into the barrel. The hook latch may be hanging up; new firearms tend to be tightly assembled but loosen with time and use. If that doesnít work try reversing the process and pull the mainspring assembly so that the lock pin is pulled slightly out of the barrel. You must swing the hinge out and the only thing that can block that, as I see it, is that hook latch that engages the grip frame. See the manual for its location and the mainspring orientation.

Besides the lower latch, which you seem to have disengaged, the only other item that engages the mainspring assembly is the hammer strut and that sits in a pocket in the spring plunger so it does not physically attach to the main spring assembly and canít prevent opening it. I hope that helps.
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