“The firing rate is absurdly high, which is common with machine pistols due to their short slide travel....At 1200 rounds per minute, we are looking at 20 rounds per second.”
https://inside.safariland.com/blog/the-legendary-glock-18/
Not just Glocks, all pistols will convert to FA and go 1000+ rounds per min.
Here is another dirt building built clone $100 in Pakistan of a Beretta that’s switched.
https://x.com/GunloverClub1/status/1991204072293298249
NFA 86 is unconstitutional, never forget what they took from you.