>>63995398
>H3 buffer
Unless you have a bull barrel, anything heavier than H1 [3.8 oz] is unnecessary
>Bootleg 4 position adjustable
Your cylinder bores are gaped. Poor seal => gas inefficiency https://youtu.be/8FbaSYtxruU?t=462
>PMC Bronze
Underloaded garbage. If you're going to fuck with PissMC, run X-TAC at the very least

Auto reset triggers are particularly dependent on bolt velocity. Either gas it to this end or keep it "tuned" for the suppressor. Can't have your cake and eat it too, mind