As most of you guys know I have bad luck with a couple guns I have. Well, had bad luck with 2 one got worked out. Anyway, as I've posted several times my Remington 870 jams way way more often than it should. If you shoot 20 rounds I'd expect to see it jam 2 times. It might not always but it wouldn't be rare. Well, I shot it today as it was the first day of regular firearms season here. Shot 3 times, had 5 shells in it as you can have 5 in it for deer here. Anyway, it shot 3 then it jammed. What happened was it didn't grab the shell that had shot and pull it out so tried to send a new one in and it couldn't got in as the empty shell was still in the chamber blocking the unfired one from going in.
Since I've had lots of issues with this just jamming randomly we got to talking about it and we are wondering if me over oiling it will cause this issue? It just does stuff like this all the time. We think I have 2 much oil in it. Maybe that caused it to slip off the shell from being slick. Does this sound like it could be my problem or do I have something else going on. Sometimes it will try to send 2 shells into the chamber. Had that once. Sometimes wont kick the old one all the way out and just turn it sideways. Sometimes do this. It's just random stuff but happens very often. Do I have an issue or could it be my over oiling it?
It is possible that you have a rough forcing cone. Try taking the barrel off and smoothing out the forcing cone with some fine steel wool, gun oil, and a cordless drill.
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You may also have an issue with your extractor, check if it is chipped or damaged. It may be damaged just enough where it works sometimes and not others. I had a similar problem with a 7400 in .308 Win. As for feeding two shells and just turning them sideways sometimes, that is probably due to working the action too slowly. The 870 that I have likes to be pulled fast to cycle the next shell, if I go slowly, I will get the same results as you do.I also forgot to ask how much have you shot this gun? If you have fired alot of shots previous to this happening to your gun, I would bet that the extractor is the problem.
Axis
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I would check the extractor, and extractor spring. It could be a rusted or corroded chamber (the shell never touches the forcing cone), butI rather doubt it since itextracts some. Any corrosion would beeasy to see if you take off the barrel.
I would check the extractor, and extractor spring. It could be a rusted or corroded chamber (the shell never touches the forcing cone), butI rather doubt it since itextracts some. Any corrosion would beeasy to see if you take off the barrel.
I don't think that's the case since it hardly ever does this in particular it just jams fairly often but usually is a different way each time. It's been like this since I got it brand new in the box from a gun shop 2 and a half years ago.
I had the same problem with my 870 but only when it was extremely cold. And only when I loaded it with shells from my pocket. I was suspecting that condensation was freezing the shells in the chamber but then thought there is too much heat and expansion of the brass for that. I also thought it was roughness in the bore. Again - nope.
So I stripped the entire gun down. Took the bolt and if you look there is a plunger that holds the extractor in place. I took a small screwdriver and pushed it back and lifted out the extractor. Then eased the plunger forward.
I thoroughly degreased, cleaned and lightly oiled the bolt and re-assembled and got rid of the problem.
A word of advice - it is best to remove this extractor, plunger and spring in a shallow box (like a cigar box) in case you slip off the plunger after removing the extractor. Or you may spent the rest of your life looking for the plunger and spring. The box will catch these tiny parts.
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my 870 but only when it was extremely cold. And only when I loaded it with shells from my pocket. I was suspecting that condensation was freezing the shells in the chamber but then thought there is too much heat and expansion of the brass for that. I also thought it was roughness in the bore. Again - nope.
So I stripped the entire gun down. Took the bolt and if you look there is a plunger that holds the extractor in place. I took a small screwdriver and pushed it back and lifted out the extractor. Then eased the plunger forward.
I thoroughly degreased, cleaned and lightly oiled the bolt and re-assembled and got rid of the problem.
A word of advice - it is best to r
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ORIGINAL: SWThomas
What shells were you using?
Remingtons seemed to be the worst. I don't like them and neither does this gun which I thought was odd. I switched to Winchester I've shot the Super X in the silver box but mostly shoot the Supreme X 000 buckshot in 3" and it does it with both of those too. I've also shot Federal shells too. I think those are the 3 I've shot. I may have to try taking it apart.
I would use an aerosol degreaser to clean the action and other moving parts before actually taking it apart. That may cure it until hunting season is over when you can tear it down completely. 870s are known for being reliable, but anytime millions of any item are made, you'll get a few bad ones. My guess is you may have more than one issue, but all could be caused by dirt (that may be attracted by excessive oil).
My Remington 870 jammed once more.
