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Mark III 22/45 Tear Down

This is a discussion on Mark III 22/45 Tear Down within the Ruger Rimfires forums, part of the Pistol & Revolver Forum category; Hey everyone, New to the Ruger family. New second owner of a Mk III today. I noticed some rust on the bolt release and decided ...


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Old July 12th, 2013, 10:02 PM   #1
 
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Mark III 22/45 Tear Down

Hey everyone,

New to the Ruger family. New second owner of a Mk III today. I noticed some rust on the bolt release and decided to strip it down and do a thorough meticulous cleaning.

I really don't understand why people tend to have such a hard time with the basic field strip. Perhaps most are just spoiled with the simple takedown methods that require little to no effort. However, I quickly realized how much of a pain this gun can be.

While doing a detail strip down, I was not prepared for the mayhem that would ensue after the basic field strip. As I punched out the hammer pivot pin, the entire hammer assembly decided to part ways. Woops So at this point, I decided why not go all the way?

I am having a tough time figuring out how to remove the trigger pivot pin. I know I have to do some readjusting of the trigger pivot retainer, but I am at a complete loss. Does anyone have any experience with a full breakdown/reassembly such as this? At this rate, it seems my 22/45 will be out of commission for some time, not even considering I have to piece the hammer assembly all back together...

Thanks in advance!



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Old July 12th, 2013, 11:23 PM   #2
 
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I own2 Mark III 22/45's. The only advise I can give you is "Do you know a good gunsmith?"
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Old July 12th, 2013, 11:35 PM   #3
 
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Welcome from Australia mate.
Glad to have you on board, nice folk here and lots of good info.
Try this.

2245 Maintenance Page
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Old July 13th, 2013, 01:57 AM   #4
 
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Thanks James, I've been on that site for a while. I have gotten everything working once, but every time after is a lost cause. As soon as I engage the main spring housing, the safety selector stops functioning...

Been at this over and over for 3+ hours... I've hit a dead end...
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Old July 13th, 2013, 02:19 AM   #5
 
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Wow... Finally got it to work after 5 hours or so..

Thanks for the help. Hope this was all worth it... haha
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Old July 13th, 2013, 04:14 AM   #6
 
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Quote:
Originally Posted by harlequinforest View Post
Wow... Finally got it to work after 5 hours or so..

Thanks for the help. Hope this was all worth it... haha
Tell us more, what was wrong, how did you fix it ?
Hope you stick around.....
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Old July 13th, 2013, 06:22 AM   #7
 
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Welcome from Nor-Cal! Glad you finally made it work.
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Old July 13th, 2013, 10:38 AM   #8
 
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Welcome to the Ruger nightmare known as "22/45 Ruger field strip" !! Like the original poster I was told it wasn't that tough. I've owned many guns that were tough to break down but none like this! I sold it out of sheer frustration and bought the Ruger SR22P. Great 22 pistol, I can say the next time I get the urge to buy a full size 22 pistol I will not consider the 22/45 or any of the MKIII 22 pistols. No sir lesson learned!! Browning may cost a bit more but after shooting a friends Browning Buckmark and watching how simple it is to take down & clean I'm sold!!
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Old July 17th, 2013, 11:00 AM   #9
 
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The 22/45 really isn't all that difficult to disassemble, and only marginally more difficult to re-assemble. It is a more demanding protocol than most pistols require, though (admittedly). The best that I've found is to have a step-by-step guide handy; there's one floating around on the 'net with great enlargeable photo depictions for each stage, along with a written description/caption for each step. I have that out each and every time I field-strip and re-assemble my Mk III 22/45. You literally have to do each step according to protocol, or you'll run into trouble. The Ruger manual is somewhat helpful/necessary, but the guide discussed really is the best I've found-I'm at work and can't access the link, unfortunately-I'll try to post it later unless someone else here beats me to it.

And yes, I do use a rubber mallet (for barrel removal from the receiver), a small hammer and a brass drift (for the bolt stop removal and re-insertion...)

Best, Jon
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Old July 17th, 2013, 11:12 AM   #10
 
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reading the instructions i was like WTH? ridiculous!

here is a vid that makes it MUCH more simple. i don't have the "hercules" hands this guy does (although you wouldn't believe my bench ) so i have to use a punch and mallet at points, regardless...this vid changed it all for me & i can take apart my 22/45 and reassemble in maybe a minute or so.

hope it helps

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Old July 18th, 2013, 12:20 AM   #11
 
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compared to my mk1 the mk111 is a pain in rear. I am thinking about buying a kit from majestic arms so I wont have to remove the slide. any information on this kit from anyone??? argie1891
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Old July 18th, 2013, 05:23 AM   #12
 
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Is the Mark III 22/45 more difficult to field strip than the Mark III Hunter or Target? I have zero difficulties with the ordinary Mark IIIs.
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Old July 20th, 2013, 10:27 PM   #13
 
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22-45 Mainspring Housing JAM!

I shot about 2,000 rounds through my 22 45 and today at the range I shot 100 more.
For round 101, the pistol would load, but the trigger do not send a round down range.
I attempted a "field strip":
I can unlock and move the mainspring housing about an 1/2 " but it will not go any further and will not pull down the housing.
I tapped the bolt stop pin,with a wooden dowel and rubber hammer.
The mainspring housing will not move.

It will load a round and unload a round, but the firing pin &/or trigger do not result in spent round.

I am about to drive the Prescott and give it back to Ruger.
What do you recommend?
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Old July 20th, 2013, 11:29 PM   #14
 
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I have 2 Mark III 22/45s, Because the disassembly/reassembly procedure is different than any other gun I own it seems difficult, but with experience It is not difficult as long as I remember the correct process.
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Old July 21st, 2013, 03:23 AM   #15
 
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Quote:
Originally Posted by maverick06 View Post
I shot about 2,000 rounds through my 22 45 and today at the range I shot 100 more.
For round 101, the pistol would load, but the trigger do not send a round down range.
I attempted a "field strip":
I can unlock and move the mainspring housing about an 1/2 " but it will not go any further and will not pull down the housing.
I tapped the bolt stop pin,with a wooden dowel and rubber hammer.
The mainspring housing will not move.

It will load a round and unload a round, but the firing pin &/or trigger do not result in spent round.

I am about to drive the Prescott and give it back to Ruger.
What do you recommend?
My Advice....Get a Browning Buckmark!! Ruger makes some great pistols no doubt.... But the MKIII & 22/45 series are plagued with issues that make a normal field strip & cleaning process a real nightmare!!

That's why I now recommend the Browning Buckmark to anyone who mentions there considering buying a MKIII or 22/45. Its a great shooter very accurate and best of all....You can field strip & clean the gun without going crazy!!
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