Tuning Kral Puncher Power adjuster

[Raider03]

Hi,

Has anyone permanently removed the power adjuster from a Kral puncher, if so how?

Thanks

 

[thammer]

To remove permanently take it out. Drill and tap the hole 5/16"-18tpi and install a stainless cap screw 1" long apply loctite to the threads when installed and then drill the TP to size. 

You can also Drill the hole to 5/16" and make a new larger adjuster from an 8mm bolt and then drill the transfer port. 

 

[Odoyle]

That's a massive adjustable TP hole!!!

What if the hole is funnelled/tapered from both ends top and bottom in addition to drilling it larger? Like an hour glass with a massive hole in the middle...

 

[thammer]

That adjustable TP is 13/64" or 0.203" or 5.2mm depending on where you're from... lol That's as large as you can go without having to retap the barrel retaining screw larger. 

 

[Glem.Chally]

That adjustable TP is 13/64" or 0.203" or 5.2mm depending on where you're from... lol That's as large as you can go without having to retap the barrel retaining screw larger.

Knowledgable as always, helpful tips there Troy.

 

[Raider03]

Thank you for the detailed information.

 

[00nothing]

How did you fit the biathlon charging handle ? And where did you acquire it.

you’ve basically already built my dream pcp

 

[Neil.atkinson]

That adjustable TP is 13/64" or 0.203" or 5.2mm depending on where you're from... lol That's as large as you can go without having to retap the barrel retaining screw larger.

Hi I have a mega. Just got it.

It will not go over 170ms with 28gr hunter extreme.

I've checked adjuster is at max. I've checked its 3mm.
No noticeable air leaks.
Has euro hammer spring.

Any ideas buddy?