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 Post subject: stuck 870 detent ball in barrel/magazine ring
PostPosted: Mon Oct 05, 2020 9:19 pm 
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Joined: Sun Dec 14, 2003 11:56 am
Posts: 2287
Location: Wisconsin
Hi

any ideas on freeing up a stuck detent ball in the barrel/ magazine ring on an 870?

picked up a used barrel recently.

it is stuck in the extended position and will not move.

I tried squeezing with a BIG channel lock pliers and no movement.

thinking a soak in pentrating oil might help but this thing is looks like it is not interested in moving.

thanks




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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Oct 06, 2020 4:10 am 
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Joined: Mon May 19, 2008 8:20 pm
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Location: Williamsburg, Virginia
I have never run across one Kroil would not free up, but you may have. Always allow some time for the penetrant to work before applying big force.

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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Oct 06, 2020 4:48 am 
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I put some Kroil on it after the squeeze did not work and left it to sit.


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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Oct 06, 2020 9:27 am 
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If you can't free it, get a new detent before you drill out the old one so you can make sure you only drill out what you need, because you will need to re-stake it unless you decide to just go with an O ring.

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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Oct 06, 2020 7:50 pm 
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it is still seized in place.... :(

thinking about going with a wavy washer option...

after a little dremel grinder work....


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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Oct 06, 2020 9:20 pm 
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A wave washer holds by cutting into a surface. An O ring just deformes and grips.

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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Wed Oct 07, 2020 9:50 am 
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not sure we are talking about the same kind of wavy washer...

https://www.mcmaster.com/wave-washers/c ... c-springs/

not sure how this one would cut into the surface,

I think I know of another style you are referring to though.


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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Mon Apr 12, 2021 8:15 pm 
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cowpoke wrote:
not sure we are talking about the same kind of wavy washer...

https://www.mcmaster.com/wave-washers/c ... c-springs/

not sure how this one would cut into the surface,

I think I know of another style you are referring to though.


Dredge of the week, I know:-). I just bought an older barrel with the same problem. How’d you make out?


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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Apr 13, 2021 1:08 pm 
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Joined: Mon Mar 30, 2009 4:05 am
Posts: 781
Take a small brass hammer after a few weeks of soaking with kroil. Tap lightly, kroil again and repeat, again and again. Don't rush, took months to loosen up a choke.


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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Apr 13, 2021 1:59 pm 
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Capt., thx, will give that a try.


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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Apr 13, 2021 8:03 pm 
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Joined: Thu Aug 19, 2004 10:54 am
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Location: Western Carolina - foothills to the Great Smoky Mtns!
In combination with the Kroil I’ve also had success speeding the process up by applying judicious heat and rapid cooling with compressed air ... more times than not a heat gun heating steel to pint if too hot too touch and then some, followed by rapid cooling has procured “miracles” when all else failed.

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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Apr 13, 2021 9:46 pm 
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Joined: Wed Feb 17, 2021 2:57 pm
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Thanks!


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 Post subject: Re: stuck 870 detent ball in barrel/magazine ring
PostPosted: Tue Apr 13, 2021 9:52 pm 
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Joined: Thu Aug 19, 2004 10:54 am
Posts: 2163
Location: Western Carolina - foothills to the Great Smoky Mtns!
Best o’ success partner (so often, patience is the name o’ the game ;-) !!!



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(On second thought, flush twice; it's a long way to Annapolis!)


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