The following is based on Grand Theft Auto: Vice Citycut content and has not been verified by canon sources. Please do not add unverified or speculative content to this article unless confirmed by Rockstar Games or in-game data.
It appears to be an assault rifle, which means that it would have taken the assault rifle slot. Its model (steyr.dff) and textures (steyr.txd) still remain on the PS2 disc. These files were removed from all other ports of the game.