Sleeve.

[tinbum]

Delrin guides aren't going to work as the guides are built into the piston and trigger housing.
Perhaps the best solution would be to source a correctly sized spring?

There's your problem! Have you ever wondered why no car manufacturer has ever welded the suspension solid to increase comfort?

[deejayuu]

Tube ends can form well into teeth.
Easier with plastic and hair dryer.

[Rickenbacker]

A correct piston sleeve will be made of shim steel, by somebody like V-Mach.

I've never fitted a plastic milk container or a beer can in my guns - and I ain't about to neither.

[I. J.]

A correct piston sleeve will be made of shim steel, by somebody like V-Mach.

I've never fitted a plastic milk container or a beer can in my guns - and I ain't about to neither.

Do V-Mch use special shim steel or can any old shim steel do?

[Rickenbacker]

Do V-Mch use special shim steel or can any old shim steel do?

Yeah, it's 'proper' shim steel I believe, Ian.

[vestlenning]

A correct piston sleeve will be made of shim steel, by somebody like V-Mach.

Steel?! V-Mach?! A correct piston sleeve will be made of unobtainium by God or the Holy Ghost.

[Rickenbacker]

Steel?! V-Mach?! A correct piston sleeve will be made of unobtainium by God or the Holy Ghost.

You must mean an original Venom one?? That's raised the stakes a lot!

[darren m]

I looked at a V-mac kit for my HW on Saturday and that had the metal sleeve included in the kit

[RichardH]

Tinbum theres an opportunity here