Advice on tuning

-11.5 Daniel Defense CHF barrel with pinned gas block -BCM mk2 receiver extension -Rifle spring -BCM T2 buffer -Microbes Chrome BCG

Ejection is about 1:30, I'm left handed but the gas wasn't super bad. Just seemed a little punchy. Where should I start?

-11.5 Daniel Defense CHF barrel with pinned gas block -BCM mk2 receiver extension -Rifle spring -BCM T2 buffer -Microbes Chrome BCG

Ejection is about 1:30, I'm left handed but the gas wasn't super bad. Just seemed a little punchy. Where should I start?