Does anyone know the operating and residual dump chamber pressures for Level 7 and Level 10 bolts when the marker is firing 280-300fps? I guess the Level 10 would vary depending on spring and carrier selection, but I'm just looking for ballparks.

I thought someone from AGD posted this many years ago, but I can't find it.

I thought it was something like:
Level 7: Operating 450psi, Residual 150psi
Level 10: Operating 525psi, Residual 225psi

Thank you.