Spring guide: what tolerance to machine the delrin WRT spring

[zartoon]

Greetings all,

I'm in the process of tuning up my QB-57. I got the B3 shooters kit, and am machining a delrin spring guide.
what tolerance should I machine the delrin spring guide, compared to the inside diameter of the new B3 spring?

any help would be greatly appreciated.

thanks,

-Z

[Gene_SC]

Should be a snug fit. Should not be easy to push guide into spring. Remember when the spring is collapsed it will open up.

[zartoon]

Thanks Gene,

I'll make it snug, and try that.
Where can I get a main seal for it?
Also, do you see any problems with a brass spring guide?

[Gene_SC]

Here is where I bought my spring, and seal for my QB-57 and B-3's.. It does not list a seal nor does it list QB-57 but this kit works. Do not use the binjo ditch oil. Throw it away or lube your kids bicycle chain with it..

http://southsummit.com/catalog/product_info.php?products_id=629

[zartoon]

Hi Gene,

I got that kit today in the mail (I ordered it last week).
The main seal that comes with it is not compatible with the QB-57. The QB uses the type that has a screw in the middle, and a little bushing in the middle of the seal..(a little indent that it goes into).  The main seal that comes with the kit is a press on type of seal, exactly like the seal on the S-2 Pistols.

Am I missing something here?

[davee1]

Also, for quite a while, the QF2 kit was on backorder at South Summit. Are they now in stock? Looks like they finally made their online shopping cart secure too.

[zartoon]

yup!

Just got my kit in the mail today.