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HELP!!!!! with my mark 4 target pistol

This is a discussion on HELP!!!!! with my mark 4 target pistol within the Ruger Rimfires forums, part of the Pistol & Revolver Forum category; having a issue putting back together my mark 4 target pistol. the top end comes off fine its when I'm trying to reassemble it I ...


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Old May 3rd, 2017, 09:43 PM   #1
 
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HELP!!!!! with my mark 4 target pistol

having a issue putting back together my mark 4 target pistol. the top end comes off fine its when I'm trying to reassemble it I have to push the take down button to put the top back on. is this ok? it seems to stay on. really need help



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Old May 4th, 2017, 01:13 AM   #2
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Sounds fine. Seems like you have tight tolerances. If I am understanding you, when you reassemble the pistol you have to push in the takedown button. I wouldn't sweat it.
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Old May 4th, 2017, 02:05 AM   #3
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I don't own one (yet) but when I recently checked one out at my LGS I had to do the same thing during reassembly and it seemed to fit fine. I suspect you're OK but if concerned I would recommend a quick call to Ruger customer service.
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Old May 4th, 2017, 04:29 AM   #4
 
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Many youtube videos about this weapon. Maybe take a look there?
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Old May 4th, 2017, 05:25 AM   #5
 
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The takedown release is designed as a spring loaded wedge. The wedge allows the receiver to remain tight on the frame as the release wears over time. The down side is that it greatly resists the installation without depressing the button. This is normal, and a good thing. You just need to push the button in to make it easy.

Edit-
I just got to looking at the part in the manual. It has what appears to be an equal bevel on top and bottom. So it would seem the intent was to be able to put the receiver back on without needing to push the button in. What I can't tell is how far forward the latch gets pushed with the receiver off. Does the receiver come down on the flat area in front of the top bevel? If so, it may be possible to elongate the bevel into the flat area enough to get the latch moving forward without needing to push the button. The elongated bevel would really only need to be in the middle part of the piece, so the mod would remain unseen from the sides when the receiver is installed.

Let us know what you find. It sounds like it might be a small oversight with the latch's design.

Last edited by TestEngineer; May 4th, 2017 at 07:04 AM. Reason: More Info
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Old May 4th, 2017, 07:44 AM   #6
 
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Quote:
Originally Posted by packersfan0036 View Post
having a issue putting back together my mark 4 target pistol. the top end comes off fine its when I'm trying to reassemble it I have to push the take down button to put the top back on. is this ok? it seems to stay on. really need help
Afternoon packersfan0036

My Mark4 hunter was just like that when I first got it. After a pushing the button about 50 times with no upper on the gun then kind of forcing the upper back on a few times (just partially pushing button at first then not pushing button at all), it now snaps back on easily without pushing the button. (I'm not sure if there was a slight burr or it was just the rough finish coating on the button hook but it now works great)
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Old May 4th, 2017, 10:10 AM   #7
 
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Hammer cocked and safety on? That's the way mine works.
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Old May 4th, 2017, 01:48 PM   #8
 
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thanks for the info gunner bill
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Old May 4th, 2017, 05:16 PM   #9
 
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Ditto Moparclan's comment. Mine goes back together with a light squeeze of the upper to the receiver.
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Old May 4th, 2017, 06:17 PM   #10
 
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I called ruger and they said it has a tight clearance right now but will go away in time as it breaks in. they also said some are like that some are not. I also took both of my mark 4's to the range today both ran great.
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