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For those interested in purchasing a modded QB-78
in any of the models including the new QB-78D, I
suggest that you get in touch with Mike in Iowa.
In my opinion, there just isn’t anybody out there
that does a better job on these than Mike. And… his
pricing is more that fair. You get your monies worth
and then some.


The QB-78
Tune-up Parts Kit is now available


The
cost of the parts kit is $11.00 per kit
(includes
shipping)
| QB-78 Seal
Kit $11.00 (US) |
QB-78 Seal Kit $12.00
(outside US) |
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The QB-78
.177/.22 parts kit consist of:
4-
barrel o-rings (one extra in case you damage
one)
1-valve o
ring
1 cap
o-ring
1-breech seal (standard inner
diameter)
1-breech seal (oversized
diameter)
2- bolt probe
o-rings
1-1/4 inch #10x32 Allen set screw for
barrel
1-1/4 inch Allen set screw for the
bolt handle
1- trigger
spring
1 3/32 hardened Allen wrench
There is one each
bolt probe o-ring for .177 and .22.
It
also includes a Quik-Tune summary. The complete Quik-Tune
guide can be downloaded
here. Also, the two tune-ups at the top of this
page, though very extensive, are applicable.

Click above on Charlie to contact

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