expended case造句

• The recoil blows back the bolt, feeds a new round onto the bolt face, which pushes the expended casing off the bolt face.
• At some point in the rearward travel, the case typically makes contact with the ejector, which " kicks " the expended case out of the firearm, making room for an unfired cartridge to be loaded.
• The feeding pawl in the gun would pull the belt to the right as the gun was fired or cocked, sending the loose link out to the right side of the receiver, where the expended case was dropped vertically below the gun.
• The feeding pawl in the gun would pull the belt to the right as the gun was fired or cocked, sending the loose link out to the right side of the receiver, where the expended case was also ejected, normally separately from a different ejector port to the link.