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AR15.COM
7/23/2011 9:43:41 AM EDT
I am having a heck of a time getting the receiver off of the frame. I've tried  hitting the back end of the receiver with a rubber mallet, but it won't budge.
Anyone have any SAFE ideas on how to get this thing apart?

Or do I really NEED to separate them in order to clean it thoroughly?
I'm pretty crazy about keeping my guns in good shape (no rust) so I really would like to get it off.

Thanks!
7/23/2011 10:19:53 AM EDT
[#1]
I would watch this: http://www.ruger.com/resources/videos.html?vidID=005014  It is a video showing how to disassemble the MKIII.  

Scroll down and you will see a link for a video on cleaning it and another video on how to reassemble it.

My experience is with the MKII pistol.  It is not that hard to take them apart (nor put them back together).  You just have follow the steps exactly.
7/23/2011 10:44:56 AM EDT
[#2]
Thanks for the vid.
I know HOW to disassemble and reassemble, the problem is that the receiver will not come off of the frame.
It should be as simple as tapping the back end of the receiver and having it slide forward off of the frame.
But, no matter how hard I hit the back of the receiver, it will not come off of the frame.

I'll have to go find a plastic hammer like they have in the video, I've been using a rubber mallet.
7/23/2011 1:10:29 PM EDT
[#3]
The hard plastic mallet may give it a sharper impact compared to the rubber mallet which is probably a softer impact on the receiver.

No, you do not need to separate it to give it a good cleaning.  Since you have the mainspring housing, magazine and bolt out, the pistol can be cleaned up pretty well just as is.  Especially if you use one of those spray can cleaners.  Just make sure it is compatible with your frames material.  

Some people have found that after shooting them for quite a while, they loosen up a bit too, making it easier to disassemble.

Any pix of the gun?  How does it shoot?

7/23/2011 1:42:41 PM EDT
[#4]
Sometimes you need to hit it really hard.  It is even more painful when you have to put it back on hitting the end of the barrel.
7/23/2011 6:57:51 PM EDT
[#5]
Mine comes off by hitting the back end, not the muzzle.

I got one about a week ago and the first time I broke it down I had to hit it so hard it made me nervous.
Easier each time after so I put the upper on and off about 25 times, now it just takes a sharp tap.
7/26/2011 4:10:51 PM EDT
[#6]
Mine's bran new and very tight, but an easy smack with a plastic faced mallet onto the rear of the upper receiver usually pops it right off.  Has it ever been apart before?  It might just be really tight if not and if that's the case, you might have to be a little more "aggressive" with the hammer strike.  Just don't kill it and make sure you are prepared to catch the barrel when it comes flying off...
7/26/2011 6:18:25 PM EDT
[#7]
I wasn't going to day anything but I didn't catch mine the first time.
Luckily it hit something softer than the metal.
7/27/2011 1:09:03 AM EDT
[#8]
Quoted:
I wasn't going to day anything but I didn't catch mine the first time.
Luckily it hit something softer than the metal.


Lol
Yeah, when they're tight, they can come flying off with some speed.  You probably won't damage anything by the barrel hitting your work bench, but you certinly don't want the muzzle hitting a hard surface and take a chance damaging the crown.