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Posted: 7/18/2009 2:28:08 PM EST
[Last Edit: 7/22/2009 2:07:02 PM EST by mike_556]
I just got and ran my Spike's conversion kit, and realized that the front viton o-ring was gone. A group of us arfcommers tried to find it to no avail. I thought I saw a thread here, somewhere, that there was a mcmaster-carr part # to order with to get quite a few of these. I searched and searched to no avail.

I've also got a message sent to Tom as well. One way or another I hope to get some replacements.


Thanks,

Mike
Link Posted: 7/18/2009 3:06:58 PM EST
Apparently mcmaster-carr doesn't carry them, will have to order from spike's.

Hopefully these won't fail often.
Link Posted: 7/19/2009 4:58:47 AM EST
Maybe you could find the right size at the local hardware store?
Link Posted: 7/19/2009 6:37:07 AM EST
Hopefully Spikes will fix you up. I don't know what size viton o-ring you need but you might try smallparts.com for odds and ends.
Link Posted: 7/19/2009 4:11:29 PM EST
Ouch, $11.20 shipping for a $3 o-ring.

I think I will call first thing, that's ridiculous.
Link Posted: 7/19/2009 4:12:41 PM EST
I wonder if Spikes will just post the size of the o-ring. I also lost mine the other day. I thought I liked the o-ring, but it sucks if I have to pay a bunch to replace it.
Link Posted: 7/19/2009 4:13:19 PM EST
Originally Posted By mike_556:
Ouch, $11.20 shipping for a $3 o-ring.

I think I will call first thing, that's ridiculous.


More like a $.03 o-ring...
Link Posted: 7/19/2009 4:57:10 PM EST
Originally Posted By CaptShiess:
Originally Posted By mike_556:
Ouch, $11.20 shipping for a $3 o-ring.

I think I will call first thing, that's ridiculous.


More like a $.03 o-ring...


$3 a pair from Spike's. More like $1.50 per o-ring.
Link Posted: 7/21/2009 2:59:59 AM EST
Here's the thread from the Spile's Industry Section.
http://www.ar15.com/forums/topic.html?b=2&f=282&t=170641
Link Posted: 7/22/2009 1:15:18 PM EST
Got an o-ring coming in the mail. I will need to see what elseI can use from Spike's to try and offset the shipping costs...

An option for first class mail for orings and eclips would be nice. I hope this replacement will last.
Link Posted: 7/22/2009 2:46:04 PM EST
If you get a size email me we have Roger Zatkoff a seals and o-rings manufacturer just down the street. Maybe I can order some for you.
Link Posted: 7/22/2009 2:55:19 PM EST
Just take a digital caliper and measure the groove (ID for o-ring),,, the width of the groove (diameter of ring material),, and the OD of the chamber insert where the groove is cut (OD of the o-ring).... rest is elementary.. nothing special about sizing o-rings.

Lowes has rings as low as $1.27/10 (#60 for adding to .223/5.56 extractor).
Link Posted: 7/22/2009 2:57:53 PM EST
[Last Edit: 7/22/2009 3:21:48 PM EST by badazzar15]
Link Posted: 7/22/2009 3:02:46 PM EST
Good luck with that, please post pics of the melted O-Ring you got at Lowes, Tractor Supply where ever.

The only extraction enhancement that is considered an equal to the Crane O Ring, and is available to the general public is the D-Fender. Its now even included in the extraction ehancement kit instead of the Crane O ring.

Like I said, let us all know how melted plastic inserted into your BCG works out for you
Link Posted: 7/23/2009 5:19:04 PM EST
Originally Posted By badazzar15:
The o-rings are made custom for us, from Viton. We could not find an off the shelf o-ring that fit the way we wanted it to.


thanks, that explains that. I thought viton was a material not a mfg––I use viton rings for scuba tank orings with a tank with oxygen higher than 21%...

Will order some extras when I can order some other things to offset shipping costs.....
Link Posted: 7/23/2009 5:33:03 PM EST
Forget what I said, didnt see this was rimfire section

Link Posted: 7/23/2009 5:49:50 PM EST
Originally Posted By PSYWAR1-0:
Forget what I said, didnt see this was rimfire section


I was going to ask whom you were posting to??
Link Posted: 7/23/2009 6:00:18 PM EST
Link Posted: 7/23/2009 6:25:04 PM EST
Originally Posted By mike_556:
Originally Posted By PSYWAR1-0:
Forget what I said, didnt see this was rimfire section


I was going to ask whom you were posting to??


Well, it is good advice if your trying to enhance the extraction on your 556 carbine!

Link Posted: 7/27/2009 1:24:06 PM EST
USPS sucks. Still no replacement in the mail. Will have to order a pair...
Link Posted: 8/1/2009 10:23:59 AM EST
Replacement came in the mail today. I'm kinda glad I did order some replacements though.
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