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  #1  
Old 08-26-2017, 5:21 PM
NATEWA NATEWA is offline
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Default Remington 870 advice

Went and shot my 870 for the first time. Shells were not ejecting. Put a brass brush with oil in drill and cleaned up the chamber. Also read not to pull back while firing. I could have been doing this - magpul stock was too long.

Went to put back together and the spring retainer piece flew in the air. Spent too much time in the hot garage looking for it.

Is this a necessary piece?

Last edited by NATEWA; 08-26-2017 at 9:49 PM..
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  #2  
Old 08-26-2017, 5:26 PM
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Found it - it fell on top of the garage door.
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  #3  
Old 08-26-2017, 9:59 PM
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I pull with my grip hand and push with the forend hand when I go to break the shot. On mine and my son's Express actions you need to work at it to put enough force into pulling the forearm back smartly for good ejection. I had to shorten up my Magpul too, too much recoil with a longer length of pull to suit me.
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  #4  
Old 08-28-2017, 7:22 PM
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Polished the barrel 3 times now using the cleaning rod, bronze brush, wrapped with 0000 steel wool. I had some empties in the trash. Put in the chamber and ejected it without issues. The empties go in a little easier now. Will test out while dove hunting.
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  #5  
Old 08-28-2017, 8:08 PM
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Are you using brass shells or steel? Have heard of problems with steel shells, especially 870s.
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  #6  
Old 08-28-2017, 8:48 PM
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I had some old (fired) estate steel shells and they slipped in and out very easily. I was shooting Herters ammo (think it's brass). I'll run a box through it on Friday morning and report back. I'll keep polishing the chamber until it works.
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  #7  
Old 08-28-2017, 9:47 PM
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I just bought an 870 not long ago. I've had no issues with the estate shells
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  #8  
Old 08-29-2017, 1:12 AM
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The rough chamber problem is with the express, the Wingmaster gets a lot more polish and finish work then it does.
It's good advice of anyone owning a express 870 to give it a good chamber polish.
A bore brush, wrapped with 4/0 steel wool and 5-10 minutes with a high speed drill will work wonders!
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  #9  
Old 08-29-2017, 6:09 AM
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Ammo may be a contributing factor. All of my fte's have been with winchester or one other brand, i don't recall which, that have a similar round profile on the rim. Federals (the other $20/100 walmart option) and many other brands have a sharper profile which seems to be more reliable (no issues) in my m500 and 870, as well as my buddies vepr 12 and weatherby pump all of which were jam-o-matics on winchesters. If i do find myself with winchesters i just feed them to my sxs. Not to say all of those shotguns could not be made to operate reliably with winchesters, but just buying ammo they like is a simple fix.
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  #10  
Old 08-29-2017, 7:03 AM
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Quote:
Originally Posted by b.thomas View Post
The rough chamber problem is with the express, the Wingmaster gets a lot more polish and finish work then it does.
It's good advice of anyone owning a express 870 to give it a good chamber polish.
A bore brush, wrapped with 4/0 steel wool and 5-10 minutes with a high speed drill will work wonders!

do the Chinese clones have the same defect?

(and lets not kid around, it sounds like a DEFECT)
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  #11  
Old 08-29-2017, 8:27 PM
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If the problem continues polish out the tool marks on the "barrel tab" that fits into the receiver. This really helped me out after polishing the barrel itself.
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  #12  
Old 08-29-2017, 9:42 PM
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Quote:
Originally Posted by jeffrice6 View Post
If the problem continues polish out the tool marks on the "barrel tab" that fits into the receiver. This really helped me out after polishing the barrel itself.
Do you have a pic?

Thanks
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  #13  
Old 08-29-2017, 10:45 PM
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Quote:
Originally Posted by NATEWA View Post
Do you have a pic?

Thanks
Sorry, no pic & don't know the technical term, but it's the extension off the breach end that the bolt locks into. Some (mine included) have horrible tooling marks that seem to hang up expended shells. I polished the chamber first & it helped, but after smoothing out the barrel "tab/extension" it seems to have resolved all issues......
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  #14  
Old 08-29-2017, 10:51 PM
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My Remington870 is an older home defense variant that i bought around 11 years ago, ive never had any feed or ejection issues.
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  #15  
Old 08-30-2017, 7:38 AM
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Could a rough chamber cause the extractor to slip off a shell rim when pumping the action after firing?

My 870 express had this happen a couple times last year hunting dove. I pumped and the bolt came back with the spent shell remaining in the chamber causing a jam as the new shell popped up from the magazine behind the spent shell. Big hassle.

Once I cleared the fresh shell I was able to easily extract the spent shell by closing the chamber and pumping again. It would eject easily on that second attempt.

Rough chamber, weak extractor spring, dull extractor claw?
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  #16  
Old 08-30-2017, 8:26 AM
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Quote:
Originally Posted by LowThudd View Post
Are you using brass shells or steel? Have heard of problems with steel shells, especially 870s.
For many many years now, all shotgun hull rims are steel. Some are brass plated. Except of course the all-plastic ones. The brass plated ones are definitely slicker. Try a magnet...

To the OP, if it is a new(er) gun, send it to Mfg. and make them make it right. I have had best results avoiding the Rem recommended Service Centers, and standing my ground with them until they cough up a return label to Ilion, NY.
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  #17  
Old 08-30-2017, 4:27 PM
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Quote:
Originally Posted by MrTokarev View Post
Could a rough chamber cause the extractor to slip off a shell rim when pumping the action after firing?

My 870 express had this happen a couple times last year hunting dove. I pumped and the bolt came back with the spent shell remaining in the chamber causing a jam as the new shell popped up from the magazine behind the spent shell. Big hassle.

Once I cleared the fresh shell I was able to easily extract the spent shell by closing the chamber and pumping again. It would eject easily on that second attempt.

Rough chamber, weak extractor spring, dull extractor claw?
If it gets hung up or stuck on a rough tool mark, yes. Polish the chamber.
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  #18  
Old 09-01-2017, 8:55 PM
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Weird.

I tried three different types of ammo and not an issue. Put in the Herters from Cabelas and instant have issues. It cycles in my a300 but not my 870. Used Winchester, estate and Remington.

Same issue as when I was shooting clays (I was using Herters). Shoot, shell stays in chamber. I won't be using Herters amp in the 870.
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  #19  
Old 09-02-2017, 3:00 PM
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http://www.shotgunworld.com/bbs/viewtopic.php?t=419262
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  #20  
Old 09-03-2017, 12:53 PM
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replace the extractor. i replaced mine with a Volquartsen. also replace the carrier latch spring and the follower.
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  #21  
Old 09-03-2017, 9:03 PM
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Low Brass?
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  #22  
Old 09-04-2017, 6:15 AM
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Quote:
Originally Posted by GE Dash 9-44CW View Post
replace the extractor. i replaced mine with a Volquartsen. also replace the carrier latch spring and the follower.

This^^^^^^^.

Also did the chamber polishing on my cheap 870 Express.

If after doing all the above, and you are still having extraction problems, its definitely the ammo and not the shotgun.

Last edited by DArBad; 09-04-2017 at 6:17 AM..
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  #23  
Old 09-04-2017, 7:29 AM
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Quote:
Originally Posted by DArBad View Post
This^^^^^^^.

Also did the chamber polishing on my cheap 870 Express.

If after doing all the above, and you are still having extraction problems, its definitely the ammo and not the shotgun.
Will do - looks cheap and easy to replace.
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  #24  
Old 09-04-2017, 7:59 AM
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Quote:
Originally Posted by NATEWA View Post
Will do - looks cheap and easy to replace.
Yes. Cheap, easy, and to me....fun. If I may share another tip..... clean up and polish the channel and edges of the extractor channel with a fine needle file.

My extractor channel has some really rough edges. I polished the extractor channel spring and finished up with succeeding sand paper grits of 600, and 800 grits. Then, I flushed out the channel with copious amounts of Eds Red then dried.

I polished the edges of the new extractor too. After all the ministrations, the extractor moves quite smoothly and grabs strongly into the edges of ALL the cheap Walmart Winchester shells that I have.

I was advised here by several Calguns member that if the Express can cycle those really cheap Winchester low brass shells, then the shotgun should be reliable with most anything out there.

Good luck,

Last edited by DArBad; 09-04-2017 at 8:02 AM..
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  #25  
Old 09-04-2017, 9:10 AM
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I think a lot of it is in the ammo.My 870 Express super mag will cycle anything Winchester or federal in 2 3/4,3 and 3 1/2".However it dosnt seem to like heavyshot brand 3 1/2" shells.
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  #26  
Old 09-04-2017, 10:36 AM
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Check 870.net they have a bunch of great mods cheap
Chamber polish is on there! Dremel and grey felt polishing wheel.
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  #27  
Old 09-04-2017, 12:33 PM
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Quote:
Originally Posted by xsefan View Post
Check 870.net they have a bunch of great mods cheap
Chamber polish is on there! Dremel and grey felt polishing wheel.
Could you post a link, the site that you identified does not exist according to Google.
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  #28  
Old 09-04-2017, 1:00 PM
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Yes RandyD, that was my finding also.
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  #29  
Old 09-05-2017, 7:13 AM
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Man I was hunting dove this last weekend and my 870 express became a jamo matic on the second day. A large number of shells stuck in the chamber requiring a really hard yank on the slide and a lot of stuck shells where the ejector just popped off the base, leaving the shell in the chamber. The gun effectively became a single shot. This was with cheap estate shells on the second day, no cleaning from the first day shooting Winchester super speed shells, which worked pretty well with only a few malfunctions.
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  #30  
Old 09-06-2017, 7:28 PM
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Use harder hitting shells.

Mine does not like light loads at all.
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  #31  
Old 09-07-2017, 7:29 AM
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Curious. Why would the strength of the load matter in a pump?
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  #32  
Old 09-07-2017, 3:44 PM
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I have two other barrels I'm going to try out. I ordered a new extractor (non mim). I also have a super mag so I'm going to check that one too.
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Old 09-07-2017, 5:18 PM
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Extractor is not an issue. If your gun works better because of an aftermarket extractor it is because you perceive it to. The Remington MIM extractor is perfect because is made from a powder metal and machine injected molded. The solid steel extractors were flawed for years as they were improperly chamfered and other machining issues. However, about two years ago Remington finally found a vendor who could make them very close to specifications of the MIM one. Yet, some still have flaws upon occasion where the MIM does not.
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  #34  
Old 09-07-2017, 6:31 PM
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Good info there aippi. Thanks for that. This was true for the "Express" only, or WM's in that time frame? Again, thanks.
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  #35  
Old 09-08-2017, 10:28 AM
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the issued with 870 is where the end of the barrel set in with the receiver. insde the back wall, gave that a shaving. if not sure look up your friend youtube.
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  #36  
Old 09-08-2017, 8:22 PM
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It's the shells. Took my Beretta a300 out (that I've never had an issue with) and it was jamming (failure to eject) with the herters shells. I'm going to contact Cabelas tomorrow. I was shooting estate without a hiccup. The moment I put in the herters shells, I had issues.
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Old 09-09-2017, 6:35 AM
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Good you found out the culprit, OP. Sometimes, we are quick to blame the cheap Express because.......well, its cheap.
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  #38  
Old 09-09-2017, 11:54 AM
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Quote:
Originally Posted by GSRZ View Post
Ammo may be a contributing factor. All of my fte's have been with winchester or one other brand, i don't recall which, that have a similar round profile on the rim. Federals (the other $20/100 walmart option) and many other brands have a sharper profile which seems to be more reliable (no issues) in my m500 and 870, as well as my buddies vepr 12 and weatherby pump all of which were jam-o-matics on winchesters. If i do find myself with winchesters i just feed them to my sxs. Not to say all of those shotguns could not be made to operate reliably with winchesters, but just buying ammo they like is a simple fix.
My 870 express extractor will tear the lip off while jamming
winchester or herters .... so I feed federal only.. problem solved
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  #39  
Old 09-09-2017, 8:37 PM
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I have an 870 police mag that will shot any kind of 12ga ammo I put in it. I also have an 870 super mag that does not like the estate cheap stuff or the winchester but it shoots the federal bulk just fine. I want to polish the chamber but it's kinda hard when I work 55 hour weeks and I'm lazy on my free time from work

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Old 09-09-2017, 9:00 PM
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Quote:
Originally Posted by Chameleon Loco View Post
I have an 870 police mag that will shot any kind of 12ga ammo I put in it. I also have an 870 super mag that does not like the estate cheap stuff or the winchester but it shoots the federal bulk just fine. I want to polish the chamber but it's kinda hard when I work 55 hour weeks and I'm lazy on my free time from work

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