mk II WILL NOT LOCK THE SLIDE BACK ON THE LAST ROUNDThis is a discussion on mk II WILL NOT LOCK THE SLIDE BACK ON THE LAST ROUND within the Ruger Rimfires forums, part of the Pistol & Revolver Forum category; This gun is new to us as we just got it from the gun show. we did clean it and take it to the range. ...
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September 19th, 2012, 07:31 AM
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#1 |
Join Date: Jul 2012 Location: SOUTH FLORIDA
Posts: 13
| mk II WILL NOT LOCK THE SLIDE BACK ON THE LAST ROUND
This gun is new to us as we just got it from the gun show. we did clean it and take it to the range. it shoots fine the only thing it wont lock the bolt back on the last round. it will lock it back if you put the empty magazine in 
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September 19th, 2012, 08:05 AM
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#2 |
Join Date: Feb 2011 Location: NE NSW Australia.
Posts: 19,041
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Welcome from Australia mate.
Glad to have you on board, nice folk here and lots of good info.
See bottom of Page 10. https://ruger-docs.s3.amazonaws.com/_manuals/markII.pdf
Last edited by James6591; September 19th, 2012 at 08:10 AM.
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September 19th, 2012, 09:13 AM
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#3 |
Join Date: Apr 2012 Location: Salem, MA
Posts: 14
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May be the magazine. Try bending in the mag lips very slightly. It worked for me.
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September 19th, 2012, 09:45 AM
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#4 |
Join Date: Jul 2012 Location: West Virginia
Posts: 1,627
| Welcome to the Forum from West Virginia
Does this happen every time after the last round is fired? What type of ammo are you using and does this problem occur with all types?
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September 19th, 2012, 05:36 PM
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#5 |
Join Date: Jul 2012 Location: SOUTH FLORIDA
Posts: 13
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It happends every time. we have new magazines we use cci v 22lr ammo.
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September 20th, 2012, 02:11 AM
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#6 |
Join Date: Jul 2007 Location: , , .
Posts: 389
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Does this used gun have factory or custom grips on it?
R,
Bullseye
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September 20th, 2012, 05:54 AM
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#7 |
Join Date: Jul 2012 Location: SOUTH FLORIDA
Posts: 13
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it had factury grips we just added hogue# 82060 grips to it and ordered a gunsmithing dvd for it. we called ruger they wanted me to overnight to them at $85.00 then they would let me know if they would fix it or not.
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September 20th, 2012, 12:27 PM
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#8 |
Join Date: Jul 2007 Location: , , .
Posts: 389
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Were the Hogue grips installed before or after the bolt locking failure began to occur?
R,
Bullseye
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September 20th, 2012, 02:03 PM
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#9 |
Join Date: Jul 2012 Location: SOUTH FLORIDA
Posts: 13
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after when it started it had stock plastic grip on it
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September 20th, 2012, 02:17 PM
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#10 |
Join Date: Mar 2012 Location: North East
Posts: 240
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Is it possible that the bolt stop is worn from improper use? If the bolt isn't held back while pressing down on the bolt stop when chambering the first round out of a fresh magazine the bolt stop will eventually wear down and not work correctly. This has not happened to me but I've seen pictures of worn bolt stops on rimfire central. If you check that site I'll bet you get the answers you're looking for. I did the slingshot mod on my 22/45 so all I have to do is pull the bolt back and release to close the bolt instead of having to press the bolt stop down, that is an easy and free mod, just pull out the bolt stop spring and detent.
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September 20th, 2012, 05:35 PM
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#11 |
Join Date: Jul 2007 Location: , , .
Posts: 389
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No need to go there I put some pics of a worn bolt stop here in this thread. Release of th bolt
R,
Bullseye
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September 20th, 2012, 06:15 PM
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#12 |
Join Date: Mar 2012 Location: North East
Posts: 240
| Quote:
Originally Posted by Bullseye  No need to go there I put some pics of a worn bolt stop here in this thread. Release of th bolt
R,
Bullseye | And if you found what I was talking about you'd probably find a link to Bullseye's pages. Good stuff!
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September 21st, 2012, 05:06 AM
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#13 |
Join Date: Jul 2012 Location: SOUTH FLORIDA
Posts: 13
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we have a spring kit on the way. but now it may be the bolt stop Ok we will get her rite. the bolt stop is that hard to change out?
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September 21st, 2012, 12:54 PM
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#14 |
Join Date: Jul 2007 Location: , , .
Posts: 389
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No the bolt stop is not hard to change out, but is it worn? How about the lower front of the bolt face, is there wear there?
All you may need to solve this problem is to take out the bolt stop and the bolt release lever and thoroughly clean behind them. Any powder residue that has found its way back behind these and the timing of the bolt catch will be affected, causing a failure to lock under normal firing conditions, but you can manually lock open the bolt on an empty magazine.
R,
Bullseye
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September 21st, 2012, 01:41 PM
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#15 | | Retired Gunsmith |
An issue I have found several time is ... too much oil was applied to the stop bolt and over a period of time it turned gummy between the frame and bolt stop. This makes the bolt stop sluggish and won't respond fast enough to autolock the bolt, yet it will still lock by manually holding the bolt back.
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