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beretta 3901 wont re-rack shells completely

Posted on 6/9/13 at 9:20 pm
Posted by gorillacoco
Baton Rouge
Member since Oct 2009
5327 posts
Posted on 6/9/13 at 9:20 pm
I bought an almost-brand-new beretta 3901 earlier this year. It regularly (50% of the time) will not cycle the shells properly; when I load up and rack the first shell, it fires (every time) and puts a new shell into the chamber, but apparently does not rack completely and the second shell will not fire. If I manually re-rack the same shell again (just pull the bolt back and let it slam shut) it will fire every time. What's wrong with my gun? Is the spring too stiff? not stiff enough? Just needs to be shot more? I have put 6-7 boxes through it so far. Any help is much appreciated.

ETA: when it fires and racks the second shell, it LOOKS like it's completely racked. no gaps in the action, bolt in the full, forward position.
This post was edited on 6/10/13 at 7:35 am
Posted by Polar Pop
Member since Feb 2012
10988 posts
Posted on 6/9/13 at 9:24 pm to
Does it have the rotating head at the front of the action?
Posted by gorillacoco
Baton Rouge
Member since Oct 2009
5327 posts
Posted on 6/9/13 at 9:31 pm to
not 100% sure but i don't think so. what exactly would that look like. the action only has a button (to rack when the bolt is locked-back) and the bolt handle itself. ejection port is on the bottom.
Posted by eyepooted
Member since Jul 2010
5717 posts
Posted on 6/9/13 at 9:35 pm to
:shouldveboughtabrowning: thread
Posted by The Last Coco
On the water
Member since Mar 2009
6968 posts
Posted on 6/9/13 at 10:36 pm to
Whoever told you to buy that pos gun must have been playing a sick joke on you. What an a-hole. How much did you pay for it? Ill do you a favor and take it off your hands for $300.
This post was edited on 6/9/13 at 10:37 pm
Posted by jsb29
Dothan, AL
Member since Apr 2011
613 posts
Posted on 6/10/13 at 6:52 am to
I ha an 870 that did this with low brass (WWB oR Rem. green/orange box). For some reason the extractor wouldn't grab LB shells well at the bottom, so it fed cock-eyed. I found this out on the first quail hunt I took it on. I essentially had a 20 gauge single shot. I sent it back twice to get it fixed, with a detailed explanation both times. I got rid of it quickly after it came back the 2nd time, still a single shot.
Posted by Capital Cajun
Over Yonder
Member since Aug 2007
5623 posts
Posted on 6/10/13 at 9:47 am to
Is the gun clean? Low brass can cause this as well.
Posted by Motorboat
At the camp
Member since Oct 2007
24207 posts
Posted on 6/10/13 at 9:48 am to
quote:

Is the gun clean? Low brass can cause this as well.


the only time my 390 jams is when it is dirty AND I'm using low brass. Take the gun completely apart and clean it. And buy some high brass shells...
Posted by gorillacoco
Baton Rouge
Member since Oct 2009
5327 posts
Posted on 6/10/13 at 9:54 am to
I'll take it apart to make sure but im pretty confident its clean. Problems happened same whether shooting high brass 3" shells, high brass 2-3/4" or low brass target loads.
This post was edited on 6/10/13 at 9:57 am
Posted by BIG Texan
Texas
Member since Jun 2012
1735 posts
Posted on 6/10/13 at 10:46 am to
Yes, clean the gun. Spray theparts withgun blaster dry them off then relube slightly with a quality oil like Tetra or rem oil not WD40. (They come with a real sticky protectant lube). Also make sure the gas sytem valve and spring are assembled correctly. The gas system has only three parts but can be installed incorrectly. Take it to a gun smith and have him check or check the manual. If you shoot only low brass light loss you can have the gas port on the barrel reemed slightly but it should function every single time regardless of ammo.
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