pp800r power question

I bought a pp800r in 25 cal that is awesome. R for regulated gen2.

As you see three pellets on top of each other at about 10 yards indoor. I’m getting consistent 550 fps with the 20gr pellets about 13ft/lbs. I want more power to hunt with but too scared to mess with what’s good. I have not seen any videos on disassembly do you guys have any links.
I’m thinking spring and transfer port. Finally is this aka cp1 or it’s it cp2 or is it a bandit. Maybe the reason I cannot find anything is because of the different names. Pls help.

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Cp1 is the pistol. Cp2 is the tactical version (rifle stock, extended barrel).

.25 cal is a modified/customized cp1 sold by a third party.

550 fps sounds like a lot for a 30 grain pellet.

A lot of mods described here.


 
Cp1 is the pistol. Cp2 is the tactical version (rifle stock, extended barrel).

.25 cal is a modified/customized cp1 sold by a third party.

550 fps sounds like a lot for a 30 grain pellet.

A lot of mods described here.


Thank you.
It’s 20.05gr not 30 in 25cal.
I will check out the mods.
 
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That is in 22, would you increase its power?
It puts out more power(6 more lbs. overall) as is vs than my ruger break barrel rifle with the same pellet😅
I would increase the power of I had the bottle conversion(right now i get about 3-4 mags per fill). I'm just running the tube right now.