gas plug and tube assembly

газова камора з газовим регулятором (виріб, що складається з інших конструктивних елементів)

forearm with gas tube assembly

water jacket plug / water-jacket plug

A tube / A-tube

transmitting-receiving tube (TR tube)

gas escape tube

shock tube with detonating driver gas

gas tube with upper handguard

filling and drain plug

plug-and-play (PNP)

T-handle spark plug wrench with jointed socket and hexagonal opening

gas gun; (tear) gas launcher

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

disassembly and assembly

wheel and tire assembly

wheel and yoke assembly

safing and arming assembly

hammer-and-trigger assembly (of a pistol)

delay pellet plug

fill / plug the gap

high-explosive point detonating nose plug

base plug (of ammunition)

cylinder filler plug