I'm at the dropzone, you guys gotta clear the roof! Move on, get Matt! STAY BACK, BRO! Firing sounds from Payday: The Heist for:

Bernetti 9 (Suppressed)
STRYK 18c (Single and Dual)
Crosskill
Bronco .44
AMCAR
CAR-4
AK Rifle
M308
Reinfeld
Brenner 21
Mark 10 (Suppressed; Single and Dual)
Compact-5 (Single and Dual)
Locomotive 12G
GL40 Grenade Launcher

All weapon sounds are recorded directly from in-game. Also includes the ammo pickup noise, which was directly extracted from the files. All sounds are in separate folders, so you can replace them with other sounds if you want.

Recommended you use the MAC-10 Folded Stock mod by >:3: https://modworkshop.net/mydownloads.php?action=view_down&did=15428

Also recommended you use the Chimano 88 Styled Chimano Custom/STRYK 18c mod by GermanTacos:
https://modworkshop.net/mydownloads.php?action=view_down&did=15031

Demonstration video: