You can adjust the gun's height by scrolling the mouse wheel up or down while using ADS. Don't worry once you set it, the position is saved, so you won't need to adjust it every time.

滚轮调整

引用自 EY4WE：

You can adjust the gun's height by scrolling the mouse wheel up or down while using ADS. Don't worry once you set it, the position is saved, so you won't need to adjust it every time.

thx bro,

在设定里，关闭ADS枪械位移