Choosing the right weapon for self-defense or combat is crucial. The term "weapon selection system" may refer to an array of different tools and tactics used to choose the most appropriate weapon based on a specific scenario. Some synonyms for "weapon selection system" include armament selection process, firearms selection strategy, weapon procurement system, weapon acquisition methodology, and weapon decision-making protocol. These different terms all recognize the importance of having a systematic and strategic approach when it comes to choosing the right weapon. It's essential to consider various factors, such as the environment, the opponents, and the type of combat, while selecting a weapon.