According to in game info ACS-12 is a shotgun but it's kill doesn't count for shotgun challenges. BOSG and TCSG12 doesn't have this problem : r/Rainbow6
ACS12 - Liquipedia Rainbow Six Wiki
The Division 2 - The Named ACS-12 Shotgun "Rock and Roll" - YouTube
ACS12 | Rainbow Six Wiki | Fandom
When is the ACS12 going to be fixed? : r/Rainbow6
Mx4 or ACS12? :: Rainbow Six Siege Guides Tips Tricks & Tactics
Atchisson AA-12 - Wikipedia
694 ACS 12 gauge 30" bbls | New Beretta Shotguns Online | Inventory | Joel Etchen Guns, Ligonier PA | Joel Etchen Guns, Ligonier Pennsylvania | Shotguns Online
Explosive ACS-12 Build (Scuffed) : r/thedivision
New ACS12 on Maestro
How to Draw ACS12 Shotgun from Rainbow Six Siege printable step by step drawing sheet : DrawingTutorials101.com
Acs12 memes. Best Collection of funny Acs12 pictures on iFunny Brazil
Buy Beretta DT11 ACS Over-under Shotgun | Beretta Gallery USA