SMG · 5.56mm

A bullpup-style 5.56mm SMG with rifle-caliber stopping power in an SMG frame — Trevor's signature mid-game weapon. Sold at Ammu-Nation from the mainland onward.
The Assault SMG is a Submachine Gun in , and . In GTA V and GTA Online, it is manufactured by Vom Feuer, and it is a Rockstar Social Club bonus weapon in GTA V.
The Assault SMG is modeled after the , and it is classified as a . It features a cartridge size somewhere between a pistol round and an assault rifle round and is outfitted with a suppressor, which reduces the recoil, noise and muzzle flash. The Assault SMG is one of the first weapons offered in the . It is perfect for heated gunfights and easy to carry due to its light and compact size.
NOOSE Tactical Response Units and the FIB use this weapon against the player in addition to the SMG and the Carbine Rifle.
In Grand Theft Auto V, the weapon appears to be based on a without the extra ergonomic handgrip at the front. The top picatinny rail is relatively short (in comparison with the PDR), because the model features an integrated carry handle. The main grip is somewhat similar to that of an .
The Assault SMG now employs a standard 30-round magazine and does not have a suppressor by default (though due to the attachments feature, it can be upgraded with one).