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Mossberg 590A1 misfiring

Posted on 10/11/14 at 1:05 am
Posted by SneauxTiger
Smyrna, TN
Member since Jan 2005
161 posts
Posted on 10/11/14 at 1:05 am
Random misfire with no primer contact. Hammer strikes, no discharge. Recycle action to eject shell and it has no primer strike. Pull back halfway without ejecting shell, recock hammer, same shell, BOOM. Random event. Upon disassembling, firing pin, bolt assembly, extractors all appear normal. Bolt lock shows a little wear, but locks in nominally. I have shot pumps all my life, carried one in the Army, never have I experienced this. Any ideas or suspicions?
Posted by LouisianaChessie
Baton Rouge, LA
Member since May 2010
2582 posts
Posted on 10/11/14 at 3:29 am to
My instinct would have been firing pin but if you say it's normal then I'm a little puzzled. Still may change it out for a titanium one. Maybe the firing pin spring is faulty.
Posted by Clames
Member since Oct 2010
16528 posts
Posted on 10/11/14 at 9:15 am to
Carbon build-up in the channel for the firing pin? How many rounds have you put through this gun?
Posted by LongueCarabine
Pointe Aux Pins, LA
Member since Jan 2011
8205 posts
Posted on 10/11/14 at 11:42 am to
quote:

Carbon build-up in the channel for the firing pin? How many rounds have you put through this gun?


This is what I'd suspect.

LC
Posted by TigerTreyjpg
Monroe, LA
Member since Jun 2008
5815 posts
Posted on 10/11/14 at 1:11 pm to
Like someone once told me....

"Oh, here's the problem.....see right here where it says "Mossberg"?

Actually, the guy said "see right here where it says "Made by Savage/Stevens Arms"?

Posted by LongueCarabine
Pointe Aux Pins, LA
Member since Jan 2011
8205 posts
Posted on 10/11/14 at 1:12 pm to
That's funny. I've never had a problem with my Mossberg 590A1.


LC
Posted by SneauxTiger
Smyrna, TN
Member since Jan 2005
161 posts
Posted on 10/14/14 at 7:58 am to
Found the problem. Bolt was not locking into battery. Replaced both extractors. Bolt locks tight now. Guessing close to 3000 shells fired. Ole "thumper" is good to go, now. Thanks, guys.
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