O-Ring life on 1100 20 Ga?

[Riomouse911]

Hey all,

I replaced the rubber-ish O-ring on a 1100 LW 20 about 350-400 rounds ago. I broke it down this am to clean it, and I saw a 1/4" "tail" of rubber had been cut from the ring and was sticking up when I pulled the forearm off.

Did I install something wrong to cut that little piece of rubber, and what is the expectancy of these O-rings?

(I bought s 3- pack when I changed it so I replaced the cut one today.)

Thanks, and stay safe!

 

[1KPerDay]

Depends on where you bought them. The true Viton rings should last quite a few thousand rounds IME.

 

[kudu]

The true Viton rings should last quite a few thousand rounds IME.

I concur, at least 3000, I have had as many as 6000+ on a couple.

 

[sbwaters]

Heh! On my unused-for-40-years 12 gauge 1100 they lasted 40 years and then a season of once-a-week skeet.

 

[Virginian]

I don't know, but I tore the one on my LT-20 about 1979 running my mouth while cleaning it. The replacement still looks fine after at least 20,000 rounds.

 

[Riomouse911]

Copy, I think the rings I have were eBay purchases(?) so they're probably not up to OEM standards.

When I bought the gun used I got it at a fairly low price ...I seriously think the former owner thought it was a hopeless jam-o-matic so it was priced to sell.

It was a jammer at first, but the metal O-ring was installed incorrectly. Once I flipped it over into the correct position and put on a new rubber o-ring it's been 100% even wth the cheapo Winchester Universals from the 'Mart.

I'll look for the Viton rings and get those, thanks!!

Stay safe!

 

[roo_ster]

O-rings in Rem 1100 last indefinitely. I replaced mine every couple years because my 1100 also served as my HD shotgun. Keep a couple around for peace of mind.

 

[Hootus]

Years ago I bought extra O-rings in the expectation to have a quick replace should mine fail during a skeet match. 12 gauge 1100 Bicentennial Edition with countless rounds since 1976... always cleaned and oiled after each match, including the o-ring. I just sold mine to my local Cabelas with the original o-ring still in it after shooting it in a match last December. With care they last forever.

 

[George P]

If you manhandle them whole taking them off or putting them on, they will not last. Viton ones from the auto parts store are cheap and will last a lot longer