30mm
Cannon shell width
30mm describes a caliber of ammunition or the weapons that fire it, measuring 30 millimeters in diameter.
This is a common size for autocannons mounted on military aircraft, armored vehicles, and naval vessels: The A-10 Warthog's 30mm cannon can destroy tanks.
The designation appears in military and firearms contexts where metric measurement is standard.
Thousandth of a meter
- dimensionMeasurable extent or scope
- thicknessDepth of material
- diameterDistance across through center
- widthDistance across something
length · precision · metric · scale · caliper · specification · tolerance · clearance
Bore diameter or quality
- autocannonAutomatic large-bore weapon
- shellHard outer covering
- cartridgeSealed container for supplies
- roundCurved like circle
projectile · chaingun · armor-piercing · incendiary · tracer · cannon · belt-fed · muzzle
millimeter
Thousandth of a meter
width · length · precision · metric · scale · caliper · specification · tolerance · clearance · gauge
caliber
Bore diameter or quality
- autocannonAutomatic large-bore weapon
- shellHard outer covering
- cartridgeSealed container for supplies
round · projectile · chaingun · armor-piercing · incendiary · tracer · cannon · belt-fed · muzzle · ballistic
format
Arrangement and presentation style
celluloid · projector · camera · reel · frame · perforation · cinematography · splicing · exposure · emulsion
30mmsmall arms
Handheld military weapons
small-bore · BB gun · pellet gun · 9mm · airsoft
30mmsmall arms
Handheld military weapons
handgun · pistol · infantry weapons · sidearm · man-portable