(нульова позначка) установча риска газового регулятора
aiming dot; aiming mark; crosshair; crosswires; pointing mark; telescope laying mark
gas regulator
gas-regulator key
zero mark
zero-zero landing
zero-zero weather
barometric regulator
elevation indicator regulator
indicator-regulator
regulator
power regulator
regulator pump
state civil aviation regulator
generator regulator base
generator regulator guard
voltage regulator
gas gun; (tear) gas launcher
index line / mark
marker lights (mark lights)
night fighting mark
shooting mark
shoulder flash / mark / patch
stadia lines (hairs, mark)
weight zone mark
wide of the mark
shot to mark
Mk 19 grenade launcher (pronounced Mark 19)
adjustment mark
aiming mark (on a sight graticule)
auxiliary aiming mark (point)
auxiliary aiming mark
bench mark