cartridge drop lever spring

belt feed lever pivot spring / belt-feed lever pivot spring

dead drop / dead-drop exchange

drop head body (drop-head body)

cartridge-case deflector (cartridge case deflector)

multi-flechette cartridge / multiple-flechette cartridge

firing-lever spindle actuating lever

flap slat CTL lever / flap and slat control lever

change-lever spring

automatic cocking lever plunger spring screw

automatic cocking lever spring

clutch release lever spring

hammer-spring lever

belt feed pawl spring / belt-feed pawl spring

air drop

drop bolt

drop tank

drop zone (DZ)

drop-off point (DOP)

free fall air drop

gravity drop

heavy drop resupply

high-velocity drop

low-velocity drop

minimum pressure drop

voltage drop

magazine drop pouch / dump pouch

extinguishing agent drop

extinguishing agent drop abort

Operation Acid Drop

drop center rim

drop container

drop rounds on the line