A G19 is a terrible host as far as blowback and gassiness goes. They weren't built to run suppressed. The FN's were. But, Perfection, and all.
I get more blowback and fragments off my CZPO7 and SPO1 then my glock 19’s.
I really enjoy shooting the 19 suppressed with rmr on it.
*Shoutout to my Skorp/Osprey. *