Mags are air hogs, to keep the valve up with trigger pull specially in a RT, you need a high output tank. 900 min, 1000 is what most guys go for when
If the bolt stem is hollow and there's wrench removable tip in power tube, it's lvl 10.
Haha thanks for the welcomes everyone. I definitely know the wallet squeeze from building cockers. This gun will definitely be mainly stock. Any changes