870P sometimes cannot eject fired round

[JohnnyMtn]

I have an 870 Police model that I picked up new about 6 months ago. I've taken it to the range 4 times now and have put about 100 rounds through it (80% bird, 20% buck). I have had 7 or 8 rounds that got stuck in the chamber after they fired where I couldn't rack open the slide. It would take a good deal of muscle and banging to get the action to finally open. For all other rounds the action was very smooth.

I have noticed that the rounds that got stuck were all of the same brand (I forget at the moment) but other brands worked flawlessly. The bad rounds were all #8 bird btw.

I obviously stay away from that ammo but I am wondering about the gun itself. Should a new 870P (I'm assuming slightly higher quality than a standard 870 - could be wrong) get stuck on rounds and not be able to eject them? That seems crazy to me. So is there a problem with the gun or does perhaps the action just need to get worked in?

Any tips or advice would be appreciated.

[sffred]

I've had a buddy that had the same problem, when I rebuilt his' I've noticed that sometimes he would not eject the spent case and there were some melted plastic in his chamber preventing his spent shells from extracting. I removed, polished, and heat treated the chamber with EWL, and now he never had a problem since. Initially I always thought it was the extractor but it wasn't so I told him to buy an extractor for nothing. Especially on a newer shotgun, always rack/pump the action to remove spent cases. If your barrel gets hot it tends to stick.

[naimad]

http://www.shotgunworld.com/bbs/viewtopic.php?t=66978

[m16]

Common problem.

Polish the chamber with steel wool.

http://www.aiptactical.com/Page_2.html

[jeffrice6]

Common problem.

Polish the chamber with steel wool.

http://www.aiptactical.com/Page_2.html

This!

[JohnnyMtn]

Thanks for the tips. I had seen that shotgun world post before but never the aiptactical. I'm going to give that a try. And btw, it is the low base shells that sometimes cause the problems. That makes perfect sense. Thanks again.

[EXTREMEOPS1]

My 1986 870p built by aip tactical shoots anything i put in it .AIP tactical build weapons your life can depend on . Follow the instructions on AIP tacticals website and you wont go far wrong

[ysr_racer]

My advice, shoot the crap out of it. You can't even begin to think about reliability until you have 500 to 1000 rounds thru it.

On a side note, if any of you tacticool losers have "HD" guns that have less than a 1000 rounds thru them, do yourself a favor AND SHOOT THE CRAP OUT OF IT.

[G-forceJunkie]

I've found the cheap bulk pack 12g from Wallmart will do this on occasion. Better quality shells, never.

[shellslinger]

Usually have this problem with Winchester universal 100 rd. packs from Walmart. They would get stuck but it just required a little bit more force than usual to eject them out.

[marklbucla]

You're referring to extraction, not ejection.

This happens more frequently with Walmart Winchester ammo than others, from what I've experienced.

I've had this happen to me on new Expresses, but not on the Police I bought.

IIRC, after about a 1000 shells, the extraction issue cleared up.

[Chameleon Loco]

I have an 870 super mag that cycles everything but the cheap winchester ammo. I haven't got around to polishing the barell yet. But the issue does not trouble me as higher quality ammo is $1-$2 more.

[jayincali]

Same issue my buddy has as well, I'll have to pass this info on.

I agree with the HD gun post above. My 590 has about 2000 rounds thru it with out one single issue, and would not hesitate to use it for HD/SD.

[adamjay]

870 extraction issues
Common - Lots of great threads on shotgunworld.com and other fora
Mine, too.

+1 1000+ rounds
+1 correct ammo
+1 polish chamber

Clearing malfunction drills
Kick A** shotgun

[GunDog]

Never had a problem with my 870 Police but then again, I've only fired reputably manufactured (Federal and Remington) 00 buckshot rounds through it.