The term 'Arsenal Stock' refers to the various types of weapons and ammunition stored in an arsenal. The crossword solutions for this term are AMMO (4 letters), ARMS (4 letters), GUNS (4 letters), SAMS (4 letters), ORDNANCE (8 letters), GAGS (4 letters), and JOKES (5 letters). Ammunition, ARMS, GUNS, and SAMs are all types of weapons, while ORDNANCE is a general term for military supplies such as weapons, ammunition, and other equipment. Gags and jokes are not related to weapons, but may be used to lighten the mood in an arsenal.