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Ruger 22/45 MK3 drop free mags?

#1 User is offline   Northern Xtreme 

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Posted 03 October 2009 - 08:59 PM

I picked up a Ruger 22/45 MK3 for my son to learn how to shoot a Pistol on.
I am a little dissapointed that the mags do not drop free. Is that because it is a MK3 and has a magazine safety, or are the MK2's the same way? I've not handled a MK2.

#2 User is online   mscott 

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Posted 04 October 2009 - 03:43 AM

I have 2 of the MK2s and all my mags drop free. Not sure about the MK3.

#3 User is offline   Northern Xtreme 

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Posted 04 October 2009 - 04:14 AM

View Postmscott, on Oct 4 2009, 04:43 AM, said:

I have 2 of the MK2s and all my mags drop free. Not sure about the MK3.

Does the MK2 have a magazine safety that will not allow the pistol to fire without a Mag?

#4 User is offline   pevadijk 

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Posted 04 October 2009 - 04:23 AM

I have a MKIII 22/45 and if you remove the mag safety, the mags will drop free.
Do do this I've installed a MarkII hammer and hammer bushing and replaced the parts, that's all.

#5 User is offline   Duane Thomas 

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Posted 04 October 2009 - 05:40 AM

No, the Mk II does not have that feature.
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#6 User is offline   Northern Xtreme 

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Posted 04 October 2009 - 06:43 PM

View Postpevadijk, on Oct 4 2009, 05:23 AM, said:

I have a MKIII 22/45 and if you remove the mag safety, the mags will drop free.
Do do this I've installed a MarkII hammer and hammer bushing and replaced the parts, that's all.

Great, Thank you! Thats what I suspected the problem was. So just a hammer and hammer bushing?
I noticed a strange lever on the back of the trigger that I wondered about dremeling off, or I was going to replace the trigger with an adjustable Volquartsen type with set screws anyhow to take some of the awful creep and overtravel out of it.
Other than that are the MK3 mags fine?
Can you use MK2 mags?

#7 User is offline   pevadijk 

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Posted 05 October 2009 - 11:51 AM

I don't know if MKII mags will fit.
The MKIII hammer has a machined slot for the mag disconnect and the spring (part 36 and 37 on the parts diagram), when you just remove these parts the hammer will wobble. If you replace your hammer with a MKII version and a MKII hammer bushing the mag-disconnect is gone and it's done in a few minutes without modifying any parts.

I just looked at the Brownells website and it seems that the Mark II hammer bushings have been discontinued, but Clark also sells these bushings.

Here it's explained with pictures!
http://guntalk-onlin...topic.php?t=634

Also usefull
http://www.rugerforu...ad.php?p=167289

This post has been edited by pevadijk: 05 October 2009 - 11:52 AM


#8 User is offline   Northern Xtreme 

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Posted 05 October 2009 - 04:22 PM

Excellent, very useful information. Now I can make the new MK3 22/45 into something that my son can learn to shoot USPSA with.

#9 User is offline   Raymond in Houma 

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Post icon  Posted 05 October 2009 - 06:47 PM

Thanks for the great info guys... :cheers:
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#10 User is offline   North 

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Posted 05 October 2009 - 09:39 PM

Here's how to make your own magazine safety spacer washers to remove that pesky magazine disconnect safety from a Mark III pistol. Use common tools found in most home workshops for this modification. No lathes or mills were used to make these spacers.

Tools: 1 pr large wire cutters (dike pliers)
1 fine bastard file
1 #2 Phillips head screwdriver
1 Meduim adjustable (Crescent) wrench
1 Drill press ( hand drill mounted carefully in a vise will work)
1 bench vise
1 Sharpie brand permanent marker

Materials: 2 #10 SAE flat washers $.06 ea. from local hardware store
1 Stainless countersunk machine screw
1 machine nut with integral star lock washer

Two SAE #10 flat washers will do the trick. You can use steel or stainless.

http://www.guntalk-o...topic.php?t=387
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#11 User is offline   kamikaze1a 

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Posted 07 October 2009 - 02:44 PM

From what I am reading here, this and a bushing to disable the mag safey on the MkIII?

#12 User is offline   Northern Xtreme 

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Posted 21 October 2009 - 04:46 PM

OK I got the bushing from Clark.
Now I want to get a Volquartsen trigger kit because the stock trigger is sooo bad.
Should I order the MK2 or the MK3 trigger kit?
I would like the use bolt release because my kid has a little trouble releasing the stock one. But from an earlier post I got the impresion that the MK 2 kit release wouldnt work on the MK3.
Does anyone have any advise for me on this?

#13 User is offline   Rotisiv 

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Posted 20 November 2009 - 09:54 PM

View PostNorthern Xtreme, on Oct 21 2009, 05:46 PM, said:

OK I got the bushing from Clark.
Now I want to get a Volquartsen trigger kit because the stock trigger is sooo bad.
Should I order the MK2 or the MK3 trigger kit?
I would like the use bolt release because my kid has a little trouble releasing the stock one. But from an earlier post I got the impresion that the MK 2 kit release wouldnt work on the MK3.
Does anyone have any advise for me on this?

The bolt release that comes in the trigger kits doesn't fit the MKII or MKIII 22/45's it is only for the MK Steel Frames.

#14 User is offline   Litlratt 

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Posted 20 November 2009 - 11:06 PM

I can vouch for the Sam Lam bushing. It works well with the VQ MKIII kit.

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