Shooting lead round balls with a suppressed Bulldog

This is a suppressed Benjamin Bulldog 357 PCP airgun.

Specs:
-Bemjamin Bulldog 357 with a factory barrel.
-Pitbull Airguns "power spring", a flat wound hammer spring.
-Athlon 3-12x40 mil-dot optic
-Donny FL adapter
-Donny FL Ronin supressor
-Amazon fake Atlas bipod
-1.25" Blackhawk sling swivels
-1.25" USS Slings dark OD 2 point military sling
-Ammo 67 grain soft cast lead balls (9mm/.356/.357)