I will try and find out
124 grain 9mm? 147 grain 9mm?
You can lead a horse to water but you can't make it drink.
We have 124gr 9mm in right now - see here
Availability of any 300 blackout ammo is good news - although a cheap-ish alternative would be awesome
NFA & CSSA member - remember the T97, SigArms, cz858, AP80, etc.