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Ruger PC Carbine Fail To Eject Consistently

This is a discussion on Ruger PC Carbine Fail To Eject Consistently within the Ruger Semi-Auto forums, part of the Rifle & Shotgun Forum category; Originally Posted by bwinters I would try 147 frain fmj. In my exerience heavy for acliber 9s often cure feeding problems. It's failure to eject. ...


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Old July 8th, 2019, 07:19 AM   #16
 
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Originally Posted by bwinters View Post
I would try 147 frain fmj. In my exerience heavy for acliber 9s often cure feeding problems.
It's failure to eject. I had tried factory ammo and reloads. Nothing helped untill I filed the extractor and adjusted the ejector.



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Old July 8th, 2019, 04:49 PM   #17
 
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Might be fixed!!!

I did some research on the Internet and came to the conclusion that bending the ejector up until it’s just touching the channel in the bottom of the bolt it rides in just might help. IT DID...so far!!! The adjustment was very small to get it to touch. I used a 4” vise grip crescent wrench to make the adjustment.

Since bending the ejector up I have without malfunction fired 115g FMJ, 124g FMJ, and 147g FMJ...all Ball.

No stovepies or failed trigger resets.

I also made sure the side of the extractor was just touching the channel as well...that did not make any noticeable change.

Shells are ejecting mostly at 3 o’clock, sometimes 2 and about 6-8’ away.

Never did file the new extractor...no need to so far.

Feeling good about my PCC9 again!

Last edited by MountainHunter; July 8th, 2019 at 04:56 PM.
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Old July 8th, 2019, 09:24 PM   #18
 
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Great!
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Old October 6th, 2019, 07:44 PM   #19
 
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Stovepiping and ejector issues...

I've ordered the Mcarbo spring and ejector and will update with results. These two items are meant to eliminate this issue. It happened to me afte less than 30rds using the stock rueger mag well. I will inspect my ejector when removed to see if it exhibits any of your observations (shallow hook, bent etc..)

I was a bit bummed it stove piped that soon but am willing to "get it right" as shooting this gun is a blast!
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Old October 7th, 2019, 10:59 AM   #20
 
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I'm excited about the new extractor. Would be cool to see a company come out with a improved ejector though too.

Sent from my SM-N960U using Tapatalk
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Old October 8th, 2019, 11:28 AM   #21
 
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Thanks for the info and I`m looking forward to ZJAN`s report on the new extractor. Too bad that Ruger hasn`t addressed this issue as I`ve been having problems with my PC9 too. Hesitant to use it as a truck gun or SHTF gun as it now is. I have a post in Ammo Forum if you`re interested in ammo numbers.
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Old February 20th, 2020, 09:04 AM   #22
 
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Originally Posted by whitecap View Post
I am having the same frustrating problem with mine. It has occurred right from the start. I have removed the bolt and mirror polished all surfaces that touch the receiver. Stove piping was not as frequent upon 2nd range outing but was still happening. Removed bolt and recoil spring and cut about 1/2" off of the spring. When the spring is compressed it's only about 4" long. At rest it grows to at least 6", so there is allot of load on the spring just sitting in the receiver. 3rd outing still better, only 1 but still there. I called and talked with a woman at Ruger and they knew nothing about an existing problem with stove piping. Are you have accuracy trouble as well?
Ive had my PCC for over a year now. Immediately had issues with fail to eject, double feed. In addition, empty rounds that did eject were dinging the stock just forward of the ejection port. Figured it was the Glock 33 round mags and the wobble inherent with them. Started using G19 mags and there was improvement with the issue but it did not go away. Stripped and cleaned and adjusted the ejector upward to almost contact bottom of bolt. While reassembling, just for curiosity checked the three screws holding the barrel block. Each one was loose, which allowed the barrel block to move a few thousands of an inch. Could not find the specs for torque so called Ruger to get that info. Well, kind lady said she could not find it either and said she would call me back, which she did. She said she had to call the assembly line to find that the specs for inch pounds of torque for the three barrel block screws. I tightened them to spec and have had no problems since. Although I have not tested with the 33 round Glock mags, the G19 and G17 mags and other tweeks have made a 100% functioning carbine. I also believe the proper adjustment and finding the sweet spot for your carbine on the barrel nut will improve functioning. I see one other fellow posted on a forum or video that he received his with one of the barrel block screws completely missing and the other two loose. Good Luck and for a 72 year old am competing pretty good with my pcc.
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Old February 20th, 2020, 09:29 AM   #23
 
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~ 1,700 rds. and running 100% reliable. Recently fired 30 rds. each of 115 & 124 gr FMJRN..not a single issue and 0 dents in the casings.

The break-in period was a long one on my PCC9.

Since..I’ve done many M*CARBO mods and nothing has reduced the reliability.

Exceptionally happy and this is my favorite firearm to shoot.

Also, love my Ruger Takedown 22...took a few hundred rds. to break in also but it’s running 100% reliable too.

No reloads, Steel, or uncoated bullets in either gun.

Last edited by MountainHunter; February 20th, 2020 at 09:31 AM.
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Old February 24th, 2020, 06:53 AM   #24
 
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I have about 1500-2000 rounds of various FMJ (115gr or 124gr) through my Ruger PCC and am experiencing more problems, usually stovepipes and sometimes double feeds. Happened on 3-4 out of six stages yesterday. Broke the PCC in with mystery range reloads that had a slow burning powder that sent a flame out of my Glock 17. Worked fine in the PCC. Then switched to Winchester white box and began having more problems. Tried Magtech yesterday and it might have been worse.

Several here describe bending the ejector upwards, whereas a thread I saw elsewhere showed a photo of the ejector bent up or back as the cause of the problem, not the solution. The poster postulated forceful magazine changes eventually bent the ejector finger back. When he replaced it with the unbent ejector from his Ruger magwell his problems were resolved. So I am confused.

What is the hinge point for bending the ejector upward? Is it where the finger extends from the larger body, or at the higher knee where it bends forward? In the other thread the bending appeared to be at least partly where the finger comes off the main body of the part that fits against the interior surface of the magwell.

If I can find the other thread again, will post it here.

This is all very frustrating, because when the PCC works it is great. But as a “super senior” i don’t have five to eight seconds to throw away every time there is a malfunction. Particularly on a qualifier stage! It happened between my last two shots on El Presidente yesterday, ruining an otherwise good run.
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Old February 24th, 2020, 07:36 AM   #25
 
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Quote:
Originally Posted by Paul49 View Post
I have about 1500-2000 rounds of various FMJ (115gr or 124gr) through my Ruger PCC and am experiencing more problems, usually stovepipes and sometimes double feeds. Happened on 3-4 out of six stages yesterday. Broke the PCC in with mystery range reloads that had a slow burning powder that sent a flame out of my Glock 17. Worked fine in the PCC. Then switched to Winchester white box and began having more problems. Tried Magtech yesterday and it might have been worse.

Several here describe bending the ejector upwards, whereas a thread I saw elsewhere showed a photo of the ejector bent up or back as the cause of the problem, not the solution. The poster postulated forceful magazine changes eventually bent the ejector finger back. When he replaced it with the unbent ejector from his Ruger magwell his problems were resolved. So I am confused.

What is the hinge point for bending the ejector upward? Is it where the finger extends from the larger body, or at the higher knee where it bends forward? In the other thread the bending appeared to be at least partly where the finger comes off the main body of the part that fits against the interior surface of the magwell.

If I can find the other thread again, will post it here.

This is all very frustrating, because when the PCC works it is great. But as a “super senior” i don’t have five to eight seconds to throw away every time there is a malfunction. Particularly on a qualifier stage! It happened between my last two shots on El Presidente yesterday, ruining an otherwise good run.
I followed the ejector adjustment method of a poster here. It’s still working for me.

Along with the M*CARBO Recoil mods everything is working 100% and shells are no longer dented.

Get ALL the M*CARBO parts you can..they work!

Make sure your grip is firm...or it will be like a Glock “limpwristing” effect.

Which mag well are you using?

Here’s the local thread: https://rugerforum.net/ruger-semi-au...ejector-2.html

Here’s a M*CARBO thread:
https://forum.mcarbo.com/t/ruger-pcc...azines/6628/47

Last edited by MountainHunter; February 24th, 2020 at 09:42 AM.
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Old February 24th, 2020, 11:31 AM   #26
 
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Thanks for all the information and the link to the thread with more details on the ejector bend.

Here is the thread where someone had the opposite problem, stopped working when the ejector got bent upwards by an overvigorous magazine insertion:

https://rugerforum.net/ruger-semi-au...-problems.html

Since my post earlier today I ordered a handful of M*CARBO parts, plan to install them and see what happens. If that doesn’t solve the issue then I will consider attacking the ejector.

The more I think about this, the more I suspect it is the factory extractor, which others have described as inadequately hard metal, prone to wear over time and then causing decreasing reliability.

Handful of M*CARBO parts means their extractor, their pins and their recoil modification pack. Will report back when installed and tested.
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Old February 24th, 2020, 11:38 AM   #27
 
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Quote:
Originally Posted by Paul49 View Post
Thanks for all the information and the link to the thread with more details on the ejector bend.

Here is the thread where someone had the opposite problem, stopped working when the ejector got bent upwards by an overvigorous magazine insertion:

https://rugerforum.net/ruger-semi-au...-problems.html

Since my post earlier today I ordered a handful of M*CARBO parts, plan to install them and see what happens. If that doesn’t solve the issue then I will consider attacking the ejector.

The more I think about this, the more I suspect it is the factory extractor, which others have described as inadequately hard metal, prone to wear over time and then causing decreasing reliability.

Handful of M*CARBO parts means their extractor, their pins and their recoil modification pack. Will report back when installed and tested.
Excellent. I tested the first prototype extractor...it only needed one modification..they have it down now.

Give your PCC and magazines a good cleaning while you’re upgrading.

Looking forward to hearing your results.

Your welcome brother!

Last edited by MountainHunter; February 24th, 2020 at 11:40 AM.
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Old February 25th, 2020, 05:48 PM   #28
 
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MCarbo Extractor

I got one of the early carbines for USPSA & Steel challenge...I have about 3k rounds through it and for a while now, I was experiencing the same stovepipe /extraction problem..Got the extractor & pins from MCarbo installed them & shot a match this past weekend..Ran perfectly, I even used Mags that I thought were the problem. The ejector looks straight so I didn't change it. The original extractor is terrible, I can't believe it worked from the beginning...I would suggest putting in the MCarbo extractor in as soon as you get the carbine. I now have the confidence in the rifle again and can concentrate on the match instead of wondering whether it will function.
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Old February 26th, 2020, 08:01 AM   #29
 
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Quote:
Originally Posted by vintage View Post
I got one of the early carbines for USPSA & Steel challenge...I have about 3k rounds through it and for a while now, I was experiencing the same stovepipe /extraction problem..Got the extractor & pins from MCarbo installed them & shot a match this past weekend..Ran perfectly, I even used Mags that I thought were the problem. The ejector looks straight so I didn't change it. The original extractor is terrible, I can't believe it worked from the beginning...I would suggest putting in the MCarbo extractor in as soon as you get the carbine. I now have the confidence in the rifle again and can concentrate on the match instead of wondering whether it will function.
Thanks for your testimonial. It validates the 38 positive reviews on the M*CARBO website and the advice of others in this thread.

My excitement is building as M*CARBO notified me that my parts were shipped today! When they arrive my PC carbine will be disassembled, deeply cleaned, new parts installed and then tested at the range and the next match thereafter. Then I will report back.
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Old March 9th, 2020, 03:54 PM   #30
 
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Quote:
Originally Posted by Paul49 View Post
Thanks for your testimonial. It validates the 38 positive reviews on the M*CARBO website and the advice of others in this thread.

My excitement is building as M*CARBO notified me that my parts were shipped today! When they arrive my PC carbine will be disassembled, deeply cleaned, new parts installed and then tested at the range and the next match thereafter. Then I will report back.
You won't be unsatisfied. I also installed the recoil reduction package, as well as the Exact Edge extractor arm. 100% reliability. When you take the factory extractor out and compare it side by side to the MCarbo one, the difference in quality will be night and day.

I will definitely get more MCarbo parts after I finish building my AR. Chris is an awesome business owner.
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