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  1. #21
    WACCW is offline Junior Member
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    Mar 2012
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    New spring

    I just received the new spring today. Following is a link to an image of the new and old spring side by side. As you can see, the new spring is smaller and also has a tightly would coil section at the center. I can only assume the larger coil was intended for a larger caliber. You will be able to tell whether your PX4 Compact has the right spring if it has that tightly wound coile section near the center. I hope this helps.

    Link to image

    I look forward to go to the range this week to see if the problem is solved.

  2. #22
    johnzonie is offline Junior Member
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    Apr 2012
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    I am having a similar problem with a PX4 Compact purchased a month ago. I checked the spring and it is the new version. Also, be serial number, the Beretta site reports the spring fix is not needed.

    I am having some FTF problems and the slide doesn't stay open after the last round. Additionally, I see the ejector (chamber loaded) indicator moves out only .010" with a live round and less than .004" with a snap cap (Feeler gauge measurements). I suspect these issues are related.

    Initially, I contacted Beretta support and they suggested running 500 rounds of 124 or higher grain ammo through it, which I did. While it seems to work reliably with the 124 grain ammo, it doesn't with 115 grain ammo (Winchester, not reloads).

    I clean and relube after every range session. I have serious concerns about the reliability of this gun for personal defense. Is there anything else I should be doing other than contacting Beretta support again, which I just did?

    Appreciate any thoughts or advice.

    Thanks.

  3. #23
    denner's Avatar
    denner is online now Senior Member
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    Jun 2011
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    The ejector is not the extractor and neither sounds to be the cause of the issue you are having. I'd leave the slide open for a week and see if that helps and/or put more rounds through it, preferably both, the hotter the ammo the better like Nato 124 grain +p. I'd suggest Rem-Oil for lube as well. If that doesn't work I'd see about trying a new recoil spring. My px4 compact is great and an absolutely fantastic and reliable shooter. Does it work reliably w/ 124 grain ammo or just seems to? If that doesn't work I'd ship it back to Beretta. Does your recoil spring have 2 to 3 compressed coils in the middle of the spring?

  4. #24
    Powhatan is offline Junior Member
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    Apr 2012
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    51
    It is most likely due to a limp grip. My wife and I both bought the px4 storm compact.. she was having problems with the next to last shot jaming. I video taped her shooting and notice the gun jumping. After adjusting her grip the gun never jammed again.


    NOTE: be careful when cleaning. My wife was using a sock to wipe down her gun and it snagged on the slide release lever.. it popped out from the gun and the spring went flying... thank God I had a magnet to sweep the patio to find it.

  5. #25
    AETHERIA is offline Junior Member
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    Nov 2012
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    PX4 Compact FTF

    Quote Originally Posted by WACCW View Post
    I just received the new spring today. Following is a link to an image of the new and old spring side by side. As you can see, the new spring is smaller and also has a tightly would coil section at the center. I can only assume the larger coil was intended for a larger caliber. You will be able to tell whether your PX4 Compact has the right spring if it has that tightly wound coile section near the center. I hope this helps.

    Link to image

    I look forward to go to the range this week to see if the problem is solved.
    I have a new PX4 compact and had a FTF 7 times in the first 50 rounds ever fired, i check and it did have the new style spring. I was using PMC 115 Grs FMJ and tried some Hornady critical defense 115Grs and it did the same. I am waiting to hear from Beretta as my s/n does not even come up as being correct. Any thoughts anyone.
    Thank you

  6. #26
    AETHERIA is offline Junior Member
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    Nov 2012
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    I have been looking at the internals of the PX4 compact and noticed it is extremely difficult for the shell to slide manually under the extractor when pushed up by the magazine, barrel removed. I have to physically push it under, (it freely slides under it in my 92FS) I believe this may be hindering the feeding into the chamber and causing FTF. I spoke to Baereet regarding it but they say it is because the PX4 has tighter tolerances than the 92, I can not doubt this but with such a tight fit it does hinder feeding. When looking at the FTF when it actually happens it is hindered by the extractor and when i assist it up and under it the action closes. I know this is way off track from other thoughts regarding FTF but i would really like someone else to look at this possibility and give some feedback. Please remove the slide from the gun when looking at this for safety reasons and if you are not comfortable doing this don,t.
    Thank in advance for feedback.

  7. #27
    denner's Avatar
    denner is online now Senior Member
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    Quote Originally Posted by AETHERIA View Post
    I have been looking at the internals of the PX4 compact and noticed it is extremely difficult for the shell to slide manually under the extractor when pushed up by the magazine, barrel removed. I have to physically push it under, (it freely slides under it in my 92FS) I believe this may be hindering the feeding into the chamber and causing FTF. I spoke to Baereet regarding it but they say it is because the PX4 has tighter tolerances than the 92, I can not doubt this but with such a tight fit it does hinder feeding. When looking at the FTF when it actually happens it is hindered by the extractor and when i assist it up and under it the action closes. I know this is way off track from other thoughts regarding FTF but i would really like someone else to look at this possibility and give some feedback. Please remove the slide from the gun when looking at this for safety reasons and if you are not comfortable doing this don,t.
    Thank in advance for feedback.
    Nothing to do w/ your observation. I'd leave the designing of pistols to Beretta. The PX4 is not a 92FS. The very early compacts were sent from italy w/ heavy recoil springs for use w/ nato rounds and were too heavy for the lighter stuff. Beretta addressed that issue w/ a new recoil spring about 2 years back. I've had mine for about 2 years and after the recoil spring change it shoots everything all the time.
    Last edited by denner; 11-20-2012 at 07:14 PM.

  8. #28
    paratrooper is offline Senior Member
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    Feb 2012
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    Limp wristing is the major cause of semi-auto problems / issues.

    People tend to think it's the ammo, spring issues, magazines, etc.

    It's not.

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