help on removing valve and stuff below bolt

[Kissane720]

ok guys ive been tryin to remove the stuff below the bolt on my 2004 bko and cant figure it out i can twist the knob off but i dont kare bout that i wanna see the insides ive looked around couldnt find any help on this so maybe u can let me know thanxs...

[JustBunkered]

You need to take the whole trigger frame off. Unscrew the 4 screws near the trigger frame to do so.