Mossberg 500 ammo feeding problem!

T

TheArmyMan204

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Note: I have resolved the issue and gun is now running fine. I am looking for your guys input on what could have caused this and if it might re-occur

So I was in the pits with a first time shooter teaching him the ropes and showing him what some 00 buckshot feels like (he loved it) and while I was shooting I racked the slide back hard and fast as usual and racked it back forward and click no bang. Figured a short stroke but nope did it again and continued to get worse throughout the day. Upon inspection I noticed (sorry for lack of terminology) the little bar that keeps the shells in the mag tube was in its normal position (keeping shells in mag) but when I worked the action the bar would not move at all, it would not let a shell out to be chamber.

So after some reading I determined the bar holding the shells in needed to be bent slightly and that worked and it cycles all loads again

But my worries is what could have caused this? My gun has a relatively low round count with bird shot (low recoil) and only a handful of slugs and buckshot. Could the high recoil of the buck shot caused it? The problem never occurred before and the onset was very rapid.

Thanks in advance guys, sorry for the worries but I don't like a gun I can't rely on 100% my mossberg is my camping gun. Maybe I should trade it in for a Remington haha
 
TheArmyMan204 said:
while I was shooting I racked the slide back hard and fast as usual and racked it back forward and click no bang.
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Although they do this in the movies, its not that good for your gun. you may have bent it slightly while you were "racking the slide back hard". Or if the extractors don't grab the shell properly after discharge, or there's some gunk on a shell in the tube, forcing it in or out by pumping hard could bend something.
 
VancouverSkiBum said:
Although they do this in the movies, its not that good for your gun. you may have bent it slightly while you were "racking the slide back hard". Or if the extractors don't grab the shell properly after discharge, or there's some gunk on a shell in the tube, forcing it in or out by pumping hard could bend something.
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Didn't learn it in the movies, but in the army thanks though man. Haha I dunno it's not like I was using excessive force. Just authoritatively like any military/defensive training tells you to operate a tactical shotgun. But If you are right and that's what did my mossy in then I guess it's time for a 870. Never saw one of those go down in the army.
 
I dont think racking it back hard hurts anything, they are designed to do that, did it by chance get dirt inside of the reciever? Like rocks or sand?
 
Lead Loader said:
I dont think racking it back hard hurts anything, they are designed to do that, did it by chance get dirt inside of the reciever? Like rocks or sand?
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No sir she was clean as a whistle. I know how to fix it if it happens again but I want to know what caused it. After a google search I know this is a rare problem but definitely has occurred with others as well. I'm going to buy a bunch of buck shot and slugs one day and try to replicate the problem again. Im stumped and my type-A personality doesnt help haha I need 100% reliability!!! :p
 
Check that the mag tube is screwed in tight all the way, mine would drop shells if it got loose and backed out a bit.
 
Sounds like you fixed it. I bet the mag was loaded full when this occurred. Take the gun apart and polish the face of the cartridge stop so it is glass smooth. That will reduce drag and allow the cartridge stop to be pushed off of the cartridge head. After polishing you may have to bend the stop back a bit because it may well start dropping a round out of the mag. What happened to you isn't new and with proper tuning will never happen again. I own 2 500's and a Mav 88 and I still long for more.....

Darryl
 
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