轻武器是陆军步兵的基本武器,亦是空军、海军和其他军兵种的自卫和近战突击武器,一般是指口径为20毫米及以下的各种武器,但榴弹发射器除外,其口径一般为40毫米,不过现在正在减小口径进入20毫米的口径规范。轻武器在传统上一般分为手枪、冲锋枪、步枪、霰弹枪和机枪等。 人们—般都认为轻武器技术已经是“成熟”的技术了。确实,自采用定装式弹药(即 Light weapons are the basic weapons of the Army infantry. They are also self-defense and melee assault weapons of the Air Force, Navy and other military units. They generally refer to all kinds of weapons with a caliber of 20 mm and below, except for grenade launchers, which typically have a caliber of 40 mm , But now is reducing the caliber into the 20 mm caliber specification. Light weapons are traditionally divided into pistols, submachine guns, rifles, shotguns and machine guns. People generally think that light weapons technology is already a “mature” technology. Indeed, since the use of fixed ammunition (ie