Ruger PCC Glock magazine problem

rufrdr

rufrdr

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I bought some used 15 rd 9mm Glock magazines some time ago and tried one of them in my Ruger PCC today with not a lot of success. Randomly but no more than once a magazine a round would miss the chamber and go nose up missing the chamber and stopping the bolt travel.

My first step is to take the magazine apart and see if there is anything internal that is causing it to misfeed but I cannot get the baseplate off of the magazine. Perhaps I need to turn in my man card because I've turned into a 98 lb weakling but I am not able to muscle the plate off past the tabs on the side rails for the magazine baseplate. So, is there a secret for getting it apart? I already watched a You Tube video about it which wasn't much help since the magazine continues to defy disassembly!
 
A glock magazine disassembly tool is a handy thing. They are a major pain to take apart without one.
 
If you have a small clamp, clamp the sides of the magazine to depress the tabs, then depress the plunger and slide the plate off. A set of vice grips might work but you really want pressure near the tabs, so you might build up that area and tape things up so they don't mar.

Have you tried a new or known good magazine? There might be a reason he sold them.
 
I had a ton of issues with mine when I first got mine. I had failure to eject at every round. 100% fail rate. The issue was the glock magazine adapter. Got a new one from Ruger and it fixed all issues. I wonder if your failure to feed is being caused by a bad ejection.
 
Glock mags are plastic. The ridges that hold the magazine in place can be worn down. My guess is FTF is due to the magazine sitting too low, or having enough slop to move under recoil.
I think I've read about people using the inserted magazine as a rest causing jams.
 
georgel said:
If you have a small clamp, clamp the sides of the magazine to depress the tabs, then depress the plunger and slide the plate off. A set of vice grips might work but you really want pressure near the tabs, so you might build up that area and tape things up so they don't mar.

Have you tried a new or known good magazine? There might be a reason he sold them.
Click to expand...

Yes it works fine with new magazines. I'll compare the magazine with known good magazines to see if the notch is in spec. I'm hoping a good internal cleaning will cure it, then a replacement spring. I'll buy the $10 tool for the tabs from Midway to get it apart.
 
BatteryOaksBilly said:
Take the ONE that is causing problems and close your eyes and throw it as far as you can into the woods/pond as your arm will allow.
That's what bad mags get here.
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That is probably the most sensible action but since I bought this one plus some others from someone on this forum I can't imagine that they would have sold bad magazines so I'm hoping that some rudimentary cleaning/adjusting will fix the problem.
 
Personally, I find many plastic based mags to feel a little rough or sticky with the plastic on plastic friction. I've waxed them with spray wax to smooth them out. Doesn't take much.
 
There is a lot of play in my PCC Glock mag adaptor but functions 100%.
Probably tolerance stack up between your adaptor and specific mag[s.]

Ruger could definitely snug up the internal clearance on that adapter.
Mine is an early model, maybe they have since then.
 
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Compare spring tension in the new mag vs old. then order some new springs from Wolff
 
I found that the bolt handle was loose when I cleaned the carbine. Perhaps that was causing the bolt to run slower on some cycles, causing the problem with feeding? The bolt handle loosens up after 30 rounds or so, no matter how much it is snugged down. This time I put a dab of blue locktite on the threads to see if that will keep it from unscrewing. Is there supposed to be a lock washer in under the screw head in the bolt handle? There isn't one but there aren't many threads exposed on the screw to go into the bolt, so a lock washer would have to be pretty thin to allow proper threading into the bolt.

I also swapped the magazine catch to the left side on the carbine figuring that if the latch point on the used magazines is worn (not that I could see) then I can start fresh on the opposite side.
 
I do. Springs wear out.
Now if you're talking about bending and whittling... prolly not.
 
Sig P290RS I had circa 2014...mag springs needed bending under the follower to make them feed properly. (Sold gun)

Tikka CTR magazine was assembled with spring in backwards. Runs great now. When mags are like $90 each I become a little more interested in fixing what's there if possible.

Beretta 92 magazine was fine in one gun, but hated a different gun. That one went straight into the trash.
 
rufrdr said:
... then I can start fresh on the opposite side.
Click to expand...
This has gone on far too long for one Glock mag. Get it to me and you'll get a working mag back. You're 40 minutes away, or you can let USPS do the "heavy lifting". I'm at your disposal, but I can't travel right now. PM and let me know.
 
Thanks all. These are range magazines only, nothing that I'm trusting my life to. I have three that I sourced from the same guy but have only tried one. I'm going to try the other two sometime to see how they work (or don't). I have a bunch of factory new magazines for social encounters. JT I appreciate the offer!
 
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