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  1. #1
    jasonrobertblake is offline Junior Member
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    PX4 Storm Sub-Compact 9MM-Jamming

    I have take this gun to the range twice, probably has less than 150 rounds through it.

    I have run into a few issues.

    1) I am getting jams (failure to feeds). This happens with both magazines that came with the gun.
    2) On the last shot, the slide fails to catch and stay in the rear. On the last round the slide slams forward. This happens with both magazines. This does not happen every-time but about 70% of the time.

    Is this a problem with the magazines or gun? Also, I am using 115 grain 9mm ammo. Could this be part of the problem. I gun is completely clean when this happens as well so I dont think it is because of a lack of cleaning....

  2. #2
    Vhyrus's Avatar
    Vhyrus is offline Junior Member
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    Sounds like mags but could be ammo. Disassemble the mags and clean and lube them real good and see if it fixes it. Also try a different brand of ammo and see what happens. Out of curiosity what brand are you using?

  3. #3
    jasonrobertblake is offline Junior Member
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    I am using remington 9mm 115 grain

  4. #4
    scooby630 is offline Junior Member
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    Berreta, i believe, has/had a recall for the recoil spring being to strong on the compacts and sub compacts.

    possibly the recoil spring????

  5. #5
    handgunsrus is offline Junior Member
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    I owned a Px4 Storm .40 sub compact up until last month. I had many issues similar to the ones you mentioned. There was a recall on PX-4 Storm recoil springs, but not on sub compacts. I went to Beretta three times and they did replace the pistol. I traded the pistol on a S&W Shield. They did not tell me what the problem was. I never shot the new Beretta. Good luck.

    Handgunsrus

  6. #6
    Steve M1911A1's Avatar
    Steve M1911A1 is online now Senior Member
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    Try holding the gun tighter, and keep your arms as rigid as possible.
    This frequently cures the kinds of problems to which you refer.

    Usually, failures to feed and failures to go to slide-lock are the result of a loose enough hold that some recoil energy is lost.

    Try it and see.

  7. #7
    denner's Avatar
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    Quote Originally Posted by jasonrobertblake View Post
    I have take this gun to the range twice, probably has less than 150 rounds through it.

    I have run into a few issues.

    1) I am getting jams (failure to feeds). This happens with both magazines that came with the gun.
    2) On the last shot, the slide fails to catch and stay in the rear. On the last round the slide slams forward. This happens with both magazines. This does not happen every-time but about 70% of the time.

    Is this a problem with the magazines or gun? Also, I am using 115 grain 9mm ammo. Could this be part of the problem. I gun is completely clean when this happens as well so I dont think it is because of a lack of cleaning....
    Steve has a great recommendation, also make sure you are not engaging the slide release while shooting, or interfering with the slide w/ your thumb or fingers. I have one and you can't get it to malfunction on anything anytime. On one outing I went through 400 rounds and didn't want to stop. Likewise, that flip down mag extension may cause a malfunction due to the floor plate dipping a little and messing w/ the mag spring,
    Last edited by denner; 10-18-2012 at 09:38 PM.

  8. #8
    jakeleinen1 is offline Member
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    Yeah what is up with Beretta lately? They are having trouble keeping up with the joneses i guess... The nano had problems, the px4 compact had trouble starting out. They're a good manufacturer though, every new gun has bugs to work out!

    I had a Px4 9mm full size, it was pretty good, no jams or anything, the mag was hard as hell to load though! So was racking the slide!

  9. #9
    pasportyxlc's Avatar
    pasportyxlc is offline Junior Member
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    I recently purchased a PX-4 Sub-Compact .40 and I haven't had a problem (knock wood) with over 400 rds. thru the gun......I stick with winchester 165 gr FMJ at the range and had Zero problems...I would def. look into your grip like someone else said....Its small for my big hands and it does have a decent kick making it hard for some to fire multiple rds....not pointing a finger, but eliminate yourself before looking at the gun.....I fired numerous guns in my life and they all have different charaistics.....alot of people want to fault a gun first But I have found first look at what your doing (or not doing) then look elsewhere. (Not implying your at fault at all just an observation reading numerous blogs about different gun problems....It seems like people want to fault a certain gun or manf. as soon as they have a problem)Good luck and post your results.

  10. #10
    pasportyxlc's Avatar
    pasportyxlc is offline Junior Member
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    Beretta has identified a feeding problem that can occur with some Px4 Compact pistols when fired with some low and mid-pressure ammunition. The issue arises only in the Px4 Compact and does not affect the standard size Px4 pistol, nor the Px4 Subcompact. This feeding problem typically stops occurring after the pistol has been broken-in through repeated firing.

    Beretta has developed a polished guide rod and recoil spring that corrects the ammunition situation and is available for any customer experiencing feeding problems.

    Not all Beretta Px4 Compact pistols are affected by this condition; most pistols currently incorporate this enhanced feature. To determine if your pistol is affected and requires a self-installation service kit, please enter the serial number of your pistol below. Please enter letters in ALL CAPS.
    Enter your Serial Number:
    http://www.berettasupport.com/applic...torm/index.htm
    If your pistol requires the service kit, you will be directed to an order form to order the kit. You will see a redirect screen appear briefly. You can ignore this screen and wait for the order form page to appear. Upon submitting your order, you will receive a confirmation page and a confirming e-mail. Please allow two weeks for the delivery of your kit. The kit consists of two replacement components that are easy to install and includes an instruction sheet. The disassembly and reassembly procedures required to install this kit are also specified in your owners manual.
    Last edited by pasportyxlc; 10-28-2012 at 12:05 PM. Reason: update

  11. #11
    newgunner is offline Junior Member
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    I'm a little late in posting, but recently got a storm and have had the same problems with jamming. It's sporadic and happens with various ammo. Bought it at Bass Pro which has an "all gun sales are final" policy. They sent it back to Beretta and the extractor was replaced. After just 2 mags, it happened again. Seems like the bullet is not feeding properly. The folks at Beretta and Bass Pro act like this is unheard of, yet I'm seeing that others have had the same issues.Now it's back at Beretta with a note to check the mags, but it sounds like it could be a spring issue. Very disappointing for a Beretta, but it doesn't seem to be a problem with all the Storms. Frankly, I'm feeling they should offer to replace what appears to be a lemon if the problem isn't fixed for good this time. Will repost once I get it back and have shot sevral mags through it.

  12. #12
    newgunner is offline Junior Member
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    Quote Originally Posted by pasportyxlc View Post
    Beretta has identified a feeding problem that can occur with some Px4 Compact pistols when fired with some low and mid-pressure ammunition. The issue arises only in the Px4 Compact and does not affect the standard size Px4 pistol, nor the Px4 Subcompact. This feeding problem typically stops occurring after the pistol has been broken-in through repeated firing.

    Beretta has developed a polished guide rod and recoil spring that corrects the ammunition situation and is available for any customer experiencing feeding problems.

    Not all Beretta Px4 Compact pistols are affected by this condition; most pistols currently incorporate this enhanced feature. To determine if your pistol is affected and requires a self-installation service kit, please enter the serial number of your pistol below. Please enter letters in ALL CAPS.
    Enter your Serial Number:
    Beretta Px4 Storm Service
    If your pistol requires the service kit, you will be directed to an order form to order the kit. You will see a redirect screen appear briefly. You can ignore this screen and wait for the order form page to appear. Upon submitting your order, you will receive a confirmation page and a confirming e-mail. Please allow two weeks for the delivery of your kit. The kit consists of two replacement components that are easy to install and includes an instruction sheet. The disassembly and reassembly procedures required to install this kit are also specified in your owners manual.
    By the way, FYI, mine is a 40 cal full size Storm and has had this problem! And I'm wondering why Beretta didn't offer the above solution to me the first time around?! Again, very disappointing!

  13. #13
    denner's Avatar
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    Quote Originally Posted by newgunner View Post
    By the way, FYI, mine is a 40 cal full size Storm and has had this problem! And I'm wondering why Beretta didn't offer the above solution to me the first time around?! Again, very disappointing!
    If you read a little closer you will understand why Beretta didn't offer the above solution to you the first time around. Have you cleaned and lubricated the pistol before firing?
    Last edited by denner; 11-06-2012 at 12:26 AM.

  14. #14
    newgunner is offline Junior Member
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    Quote Originally Posted by denner View Post
    If you read a little closer you will understand why Beretta didn't offer the above solution to you the first time around. Have you cleaned and lubricated the pistol before firing?
    Absolutely! In fact, my son in law is NYPD and knows gun maintenance and went over it meticulously! Said it was very clean to begin with but re-cleaned and oiled. Same ol' problem. I admit I didn't read all the posts above and am not sure what you mean by, "if you read a little closer", other than alluding to the cleaning issue, but believe me, it's not a hygiene or lubrication problem, nor is it ammo brand related, since it's happened with 3 different brands and quality of ammo. Pretty frustrated at this point and feel I cannot trust this particular gun if my or my loved ones lives depended on it. I sure hope Beretta comes up with a permanent solution cause I really like the Storm in all otehr aspects and it seems that the vast majority have had positive experience with it.

  15. #15
    denner's Avatar
    denner is offline Senior Member
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    Beretta has identified a feeding problem that can occur with some Px4 Compact pistols when fired with some low and mid-pressure ammunition. The issue arises only in the Px4 Compact and does not affect the standard size Px4 pistol, nor the Px4 Subcompact. This feeding problem typically stops occurring after the pistol has been broken-in through repeated firing.
    Beretta has developed a polished guide rod and recoil spring that corrects the ammunition situation and is available for any customer experiencing feeding problems.
    Not all Beretta Px4 Compact pistols are affected by this condition; most pistols currently incorporate this enhanced feature.

    You say your storm is a fullsize .40 cal, (i.e standard size pistol). The above post refers to some PX4 compact pistols: "The issue arises (only) in the Px4 compact and does not affect the (standard size Px4 pistol), nor the Px4 Subcompact." In other words, you have a standard size pistol, not a compact size pistol. You posted "And I'm wondering why Beretta didn't offer the above solution to me the first time around?"
    Last edited by denner; 11-06-2012 at 12:56 AM.

  16. #16
    newgunner is offline Junior Member
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    Quote Originally Posted by denner View Post
    Beretta has identified a feeding problem that can occur with some Px4 Compact pistols when fired with some low and mid-pressure ammunition. The issue arises only in the Px4 Compact and does not affect the standard size Px4 pistol, nor the Px4 Subcompact. This feeding problem typically stops occurring after the pistol has been broken-in through repeated firing.
    Beretta has developed a polished guide rod and recoil spring that corrects the ammunition situation and is available for any customer experiencing feeding problems.
    Not all Beretta Px4 Compact pistols are affected by this condition; most pistols currently incorporate this enhanced feature.

    You say your storm is a fullsize .40 cal, (i.e standard size pistol). The above post refers to some PX4 compact pistols: "The issue arises only in the Px4 compact and does not affect the standard size Px4 pistol, nor the Px4 Subcompact."
    What I'm saying is that it is NOT just a compact or subcompact issue since my standrad size Storm experienced similar symptoms; and I'm not the only one, based on some other posts I've been reading both on this forum and others. It seems to be a "feeding" problem, which I stated in the repair order to Beretta, but they chose to replace the extractor, which didn't solve the problem. I must place my faith in them on this second go 'round to resolve this issue, or I simply can't trust the gun to fire if and when it hits the fan! And that's not real reassuring, as you can imagine!

  17. #17
    denner's Avatar
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    I'd try shooting about 100 rounds of 180grn, and you may want to leave the slide locked back for a week and keep the barrel and slide lubed w/ remoil.

  18. #18
    Steve M1911A1's Avatar
    Steve M1911A1 is online now Senior Member
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    ...Or you could polish its feed ramp and barrel hood. That's what firing a couple of hundred break-in rounds does.

    Also, since you call yourself newgunner, implying that you're new to shooting, you might be doing what many new shooters do: You may not be holding the pistol tightly and rigidly enough. A loose hold ("limp wristing") absorbs recoil force that the pistol needs to operate properly. That causes occasional faulty ejection and feeding.

    The diagnostic is to ask a very experienced pistol shooter to fire the gun, and see whether it misbehaves in his (or her) hands.

  19. #19
    newgunner is offline Junior Member
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    Some very good advice from both of you. Thanks very much! I am relatively new to pistol shooting, but must admit I've fired probably close to a thousand rounds on 2 other pistols with no problems. Also, my son-in-law, the NYPD cop, IS an experienced shooter and it jammed on him as well, so I'm still at a loss. The Storm has had at least 200 rounds fired through it, so I assume it is broken in at this point. Will see how it does once returned from Beretta. Thanks again.

  20. #20
    AETHERIA is offline Junior Member
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    I had the same issue with the PX4 Compact 9mm, 7 failure to feed in 40 rounds. I wrote an article on it and was shot down on my observation so to speak. I found a rather sharp edge on the bottom of the extractor that was catching on the shell as it was moving up, i removed the roll pin holding the extractor and very slightly honed/polished the the bottom edge, now the shell will slide in manually with the slide removed much easier. I have fired another 100 rounds through it without any further issues. Just my observations and what i did. Good luck, like to hear what you find.

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