Why is it said that the .50 BMG bullet is 12.7mm? Is the bullet

CAT-UXO - 127mm mdz projectile

WW2 Equipment Data: Soviet Explosive Ordnance - 12.7mm Projectiles

M84 heavy machine gun, Halo Fanon

Could a .50 caliber bullet kill you within 3 feet of passing you and not actually hitting you just because of the air displacement? - Quora

Igman .50 BMG (12.7x99mm) or 12.7x108mm? - General Ammunition

Loading the Big .50 Handloader Magazine

Could a .50 caliber bullet kill you within 3 feet of passing you and not actually hitting you just because of the air displacement? - Quora

What are some .50 caliber rounds other than 50 BMG? - Quora

Incendiary tracer Cut Out Stock Images & Pictures - Alamy

How the legendary .50-cal. actually kills you

What is the difference between a .50 calibre and a .50 BMG round? - Quora

Could a .50 caliber bullet kill you within 3 feet of passing you and not actually hitting you just because of the air displacement? - Quora

How much does a 50 BMG drop at 1 mile? - Quora