It's one half inch (.50) in diameter.
quite big
what type bullet in 50 cal
The bullet itself - no.
Barret stands for the company that makes the firearm. 50 cal stands for the caliber(or size) of the bullet. The diameter of the bullet is .50 inches or half an inch across.
The cost of a 50 cal. BMG bullet is about $3,000 if you go to the right store!!
Yes
.254, if you multiply .245 by 30 your answer is 7.62 which the diameter of a 30 cal. bullet if you multiply .254 by 50 you will get 12.7 which the diameter of a 50 cal. bullet and so on.
8550psi
7400 meters.
Around 4 dollars a round
From 2 to 4 dollars
The proper term is CARTRIDGE- bullet is the part of a cartridge that is fired from the barrel. There is no one answer to your question- it will depend of which .50 CAL cartridge- and then it depends on the loading of that particular cartridge (different bullet weights will have different powders/ amounts)