center mark of barrel

aiming dot; aiming mark; crosshair; crosswires; pointing mark; telescope laying mark

barrel assembly (barrel group)

automatic heavy barrel rifle / heavy barrel automatic rifle

center mark

Joint Information Operations Center /Joint Intelligence Operations Center (JIOC)

surface-to-air missile operations center / SAM operations center (SAMOC)

French Center Recherche Sur Le Renseignement / French Center for Intelligence Research (Cf2r / CF2R)

center-to-center method

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

coast mark

collimating mark

connecting rod cap mark

correct contact mark

index mark (of elevation receiver)

yardage mark

zero mark

victory mark

filling mark