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MkIV Magazine problem

This is a discussion on MkIV Magazine problem within the Ruger Rimfires forums, part of the Pistol & Revolver Forum category; I just bought a brand new Ruger MkIV Target model in stainless steel. I had the dealer put a Bushnell red dot on it and ...

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Old February 1st, 2017, 06:46 PM   #1
Join Date: Jan 2017
Location: Upstate NY
Posts: 4
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MkIV Magazine problem

I just bought a brand new Ruger MkIV Target model in stainless steel. I had the dealer put a Bushnell red dot on it and it's a really nice package. A little heavy but nice.
My problem is that after about 50 rounds or so the magazine would fall out after the first shot. I was using 36 grain CCI Mini-Mag varmint loads in it at the time. It got to the point that putting in an empty magazine and just pulling the slide back was enough to cause the mag to fall out. One of the two mags I got with it seems to stay in. It fell out once but that was it. I tried two other mags full, partially full, and empty and the result was the same.
Like I said those 50 rounds are all it ever fired. I was sighing it in at a range at the time. I'm going to take it back to the dealer to see what the next step is. Probably sending it back to Ruger I would guess.
Anybody else have this problem?

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Old May 8th, 2017, 05:16 PM   #2
Join Date: May 2017
Location: Ohio
Posts: 1
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Same magazine dropping problem with 2 brand new Mark IV's

I recently purchased a new Mark IV Hunter and on its maiden range trip, within 40-50 rounds of CCI mini-mags, the magazines would drop out on first shot or even releasing the slide on a full mag. I proceeded to run exactly 100 rounds through it with the same result every shot there after? I sent the pistol back to Ruger. They paid for shipping both ways...but due to idiotic laws, I ended up having to take off of work to pick up the pistol from UPS because they would not ship it anywhere except for my home address where no one is during delivery hours to sign for it! After they returned it, all is functioning properly. Now the topper...I then proceeded to purchase a brand new Competition slab-side Mark IV model and to my utter dismay...same problem! I read another post on this forum that it may be my fault by loading the full magazine with the bolt closed...if this is has caused damage to the pistol, this would be the most fragile of the over 100 pistols I own! I have owned about 30 different Mark 1, 2 and 3 models over the years and have loaded them all without this problem. I am sure Ruger will fix the problem for me, but I will not take off of work again to deal with their inferior products ever again! I purchased a S&W Victory 22 well over a year ago and have put thousands of rounds through it and can throw it down on the ground and the mags won't pop out. Ruger , FIX YOUR QUALITY CONTROL PROBLEMS or you have lost a long time customer!
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