QB78 bolt probe o-ring

QB78 bolt probe o-ring

Joined: July 6th, 2009, 8:48 pm

April 12th, 2011, 12:26 am #1

I tore the bolt probe o-ring on my qb78 (.177) this past weekend I spent a good part of the day driving from one hardware store to another plus a couple of paintball shops and I couldn't find anything that even came close to that size where can I find o-rings that size???
I want to buy some spares in case I tear another one.
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Joined: January 17th, 2010, 5:37 pm

April 12th, 2011, 2:44 am #2

don't remember the size just whatever fits snug over the probe.I think wall thickness was 1/16
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Joined: July 6th, 2009, 8:48 pm

April 12th, 2011, 2:51 am #3

how well did that work?.....nt
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Joined: March 21st, 2010, 3:13 pm

April 12th, 2011, 3:02 am #4

I tore the bolt probe o-ring on my qb78 (.177) this past weekend I spent a good part of the day driving from one hardware store to another plus a couple of paintball shops and I couldn't find anything that even came close to that size where can I find o-rings that size???
I want to buy some spares in case I tear another one.
Archer's has them n/t
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Joined: January 17th, 2010, 5:37 pm

April 12th, 2011, 3:30 am #5

It worked fine for several weeks until i finally got some new o-rings.
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Joined: July 6th, 2009, 8:48 pm

April 12th, 2011, 3:53 am #6

in a kit I only need the bolt probe ones if worse comes to worse I guess I'll have to order the entire seal kit...thanks
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Joined: March 3rd, 2005, 1:38 pm

April 12th, 2011, 12:09 pm #7

I tore the bolt probe o-ring on my qb78 (.177) this past weekend I spent a good part of the day driving from one hardware store to another plus a couple of paintball shops and I couldn't find anything that even came close to that size where can I find o-rings that size???
I want to buy some spares in case I tear another one.
or call the shop and I will send you some..

mailto:flyingdragonairrifles@hotmail.com
Bestairgun.com 515-924-3699
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Joined: March 3rd, 2005, 1:38 pm

April 12th, 2011, 11:10 pm #8

I tore the bolt probe o-ring on my qb78 (.177) this past weekend I spent a good part of the day driving from one hardware store to another plus a couple of paintball shops and I couldn't find anything that even came close to that size where can I find o-rings that size???
I want to buy some spares in case I tear another one.
sent the factory size (3mm x 1mm) and two over size ones just for fun...as you are close to Airguns of AZ that would be a place to stop for parts also...

mailto:flyingdragonairrifles@hotmail.com
Bestairgun.com 515-924-3699
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