my real question is about the ext its leaking co2 out of the barrel i think it may be the cup seal or maybe just and o-ring is broken but i have no clue which if anyone knows what els i should chek ive already taken it apart and replaced most of the o-rings and heres some picks of how far ive been able to take it apart with my current knowlage of the gun
and i just took the guys word that it was the ext ive searched it it looks like it but if its not please tell me.
and sorry about the pics being huge and kinda bad quality if they are did this off my phone also sorry for bad grammar and spelling
gun together

asa off and sprng thing with pin and 4 pointed star thingy

now with bolt and hamer out and seperated

close up of bolt hammer asa and wired star spring thing

if you want any pics of anything els please tell me and ill try to get it to you btw thats all i know how to take off so far so if its something inside the regulator or the valve thing that the star spring goes in idk how to take them out so ill need some help with that

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