How Big Is A 50 Cal Bullet

Rimless semi rimmed and rimmed bullets.

Under stanag 4383 it is a standard service cartridge for nato forces as well as many non nato countries. The bullet would be 50 caliber which means that it is 1 2 inch in diameter. The 50 browning machine gun 50 bmg 12 7 99mm nato and designated as the 50 browning by the c i p is a 50 in 12 7 mm caliber firearm cartridge developed for the m2 browning machine gun in the late 1910s entering official service in 1921. However there are bullet that are larger in caliber.

With the same 660 grain 43g of the 50 caliber it has a similar muzzle velocity to the 556 nato but the 50 caliber is 10 to 11 times the bullet weight. The 50 cal refers to bullets that are of 12 7mm in diameter and have 3000fps muzzle velocity propelling bullet weights from 620 grains to 800 grains. The 700 nitro express comes to mind. Now if your talking about a 50 muzzleloader typically they shoot a 490 495 roundball or a saboted round which could be as small as 429 44 mag bullet.