Remington 11-87 O-Ring

Jseime

New member
I have a buddy with an 11-87 that doesnt like to function properly, We stripped it down and gave it a good old fashioned cleaning on the weekend and it improved some but I think the O-Ring in it is shot.

I was hoping one of you fine gents could tell me what kind he needs to buy to replace it because as it stands he has a very nice Remington semi-auto that wont keep up to my Mossberg 500.
 
You didn't say what the exact problem was,but I assume it is not cycling.Check to make sure the gas seal assembly is in correctly.It will not work if any part is backwards.Not to insult you,but I have seen more than one in that condition! Also check the forearm support.That is a little clip that rides on the two rails.If it is chipped or broken,the arm will not cycle.I doubt that your problem is the o-ring. Hope this helps.
 
Thanks for the help guys, when i took the gun apart for my buddy to clean it I would say that it hasnt been done for a while. I put everything back together the way it came apart so it should be ok.

everything appears to be in good working order and I cleaned/oiled it up. Is it possible that the gas port off the barrel is clogged/dirty I didnt clean the barrel and I doubt he has.

The o-ring looked a little hurtin maybe you guys could describe how its all supposed to be put together and Ill strip it down again?
 
The o-ring for the 12 gauge is #21. The 20 gauge require #19. Be sure it is Viton rubber. They cost around 35 cents apiece. Grainger's carries them if your hardware store doesn't have them in stock. The part # is 2-021 and 2-019. A couple of dollars will buy you a lifetime supply of o-rings.
 
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