全民枪王USAS12是一把全自动的战斗霰弹枪，与普通霰弹枪不一样的是自动霰弹枪不用打出一发子弹就装一发子弹，可以打完一整个弹夹之后再进行补充，下面一起来了解下USAS12的属性吧。
national double tap USAS12 is the fully automatic combat shotguns, and ordinary shotgun is automatic shotgun gun not play a bullet was a bullet, can finish the whole clip again added, following up to understanding the properties of USAS12.
