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Old 08-31-2009, 01:21 PM   #1
Marksman
 
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870 express extractor problems

So i bought an 870 about 2 months ago and whenever i go shooting at least once per time the gun will jam up and not eject the shell. i have to jiggle the action a lot before it comes unjammed. anyone else have this problem or a solution for it? any help would be appriciated.
 
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Old 08-31-2009, 06:20 PM   #2
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How far back are you sliding it before it hangs? Is the actual ejector not catching the lip of the shell?

Have you tried holding in the slide release to see if that helps?

How dirty is the firearm? Well-oiled and free of deposits and gunk?
 
Old 08-31-2009, 11:33 PM   #3
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it moves like 1/8 inch back. slide release doesnt help. i clean and oil it after every time i shoot it. what my diagnosis is, is that the single claw grabs the lip of the shell and pushes it to the other side making it hard to pull it out.
 
Old 08-31-2009, 11:34 PM   #4
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and it only does it after being shot. i can load and unload full rounds and it doesnt get caught.
 
Old 08-31-2009, 11:40 PM   #5
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shooting 3 1/2's in a 3 inch chambered gun?

T
 
Old 09-01-2009, 12:56 AM   #6
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its the super mag. but i usually shoot 2 3/4 shells. the occasional 3 1/2
 
Old 09-01-2009, 08:27 AM   #7
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What brand of shells are you shooting? Have you tried multiple brands to see if that alleviates the issue?
 
Old 09-01-2009, 08:53 AM   #8
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that was my next step. since i bought it ive been using remington target loads. and had bought a case of them.
 
Old 08-04-2011, 08:11 PM   #9
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I' am not familiar with these case of materials as I am with solid projectile pieces. However, extractor issues are usually the same across platforms of use. Couple things come into question for myself, including the begging to answer, "is this a used firearm?". If so, then the bolt carrier needs to be torn down and cleaned (and possibly tweaked) . If not, then take it back where purchased and have em replace the firearm.
 
Old 08-04-2011, 09:27 PM   #10
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Mostly you need to polish the chamber. That's the big ding against the expresses. Right out of the box they can get you killed in a firefight. I don't plan on getting into a firefight. I don't want to get into a firefight. But I want my gun to work if it happens.

The expanding brass of the shotshell is sticking against the rough chamber walls. Polish it up and it should clear up your problem pronto. Might want to replace the Injection molded extractor with a forged one down the road, but the polish should do wonders.

Edited to add, are your remingtons steel cases? That could make it even worse.
 
Old 08-04-2011, 10:53 PM   #11
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2 years later. it doesnt do it that often. i usually use a wooden dowel with some steel wool on the end and polish up my chamber when im cleaning it. i should hone it but never get around to it.
 
Old 08-05-2011, 01:29 AM   #12
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Quote:
Originally Posted by reppinthe509 View Post
2 years later. it doesnt do it that often. i usually use a wooden dowel with some steel wool on the end and polish up my chamber when im cleaning it. i should hone it but never get around to it.
Ah... I saw the date on Mindpilot's post. Didn't bother to check the others... Next time I will.
 
Old 08-05-2011, 09:11 AM   #13
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Now that this thread has been revived I'd offer this.

Steel wool takes forever to polish a rough surface. Take some 2,000 grit wet/dry sandpaper on the end of a fat dowel rod and work down the machine marks that remain first. Then use the steel wool although at that point it won't be necessary.

The giveaway was that it only happened with fired shells that have expanded and now have a grip on the rough chamber.

In years past I have used a small brake cylinder hone to smooth chambers of shotguns. Just lube regularly with light gun oil and a low speed on a cordless drill. Only "hone" until the machine marks are gone, no more.

If you want to go first class Brownells sells a "Flex Hone" for $52 that would polish the chamber. For only $13 they sell the two-stone type hone for that purpose too.
 
Old 08-05-2011, 09:56 AM   #14
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ive thought about taking it to a gunsmith to have them do it.
 
Old 08-06-2011, 07:52 AM   #15
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Quote:
Originally Posted by reppinthe509 View Post
ive thought about taking it to a gunsmith to have them do it.
If you want to spend the money. It's not that big a deal if you have the patience. Heck, if you were my neighbor I'd do it for you while you drank a beer. Could have it done before you finished unless you "chugged" it.
 
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