The American Thompson 1928A1 automatic submachine gun 45 ACP includes 202 files in 4.4 gigabytes. It showcases the sound of the classic US firearm, also known by a wide variety of names: Tommy Gun, Tôm Sông, Annihilator, Chicago Typewriter, Chicago Submachine, Chicago Piano, Chicago Style, Chicago Organ Grinder, Drum Gun, The Chopper, and The Thompson.
The sound library shares field recordings of microphones arranged at a variety of distances in 24 perspectives and 44 channels of audio. Both gunshots and performed handling effects are included. The gun was recorded at two locations for distinct sonic textures with both longer and also shorter, concise gunfire tails. The sound library includes Pro Tools and Reaper mixing sessions, embedded metadata, and metadata translations in 7 languages.