The crossword solutions for the term 'Gangster Weapons' are GATS, which stands for 'Guns and Thuggery Supplies'. GATS is a term used to describe the weapons and other supplies used by gangsters and criminals. These weapons can range from handguns to assault rifles, and the supplies can include items such as bulletproof vests and masks. GATS is a term that is often used in law enforcement and criminal justice circles to refer to the weapons and supplies used by gangsters and criminals.