Yes, here's several. .585 Nyati, .600 Nitro Express, .700 Nitro Express, 14.5x115... then you have weapons classed as cannons (20mm and up). The .50 BMG/12.7x99 isn't even remotely close to being the largest cartridge out there.
what type bullet in 50 cal
If you shot a 50 caliber bullet at a 7.62mm bullet and they hit dead on, you prbly wouldn't even know the 7.62mm bullet exsisted because the 50 caliber bullet would sh!t f*ck the 7.62mm bullet , short answer- 50 cal. Look up a ammo size comparison chart
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
quite big
.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.
It's one half inch (.50) in diameter.
8550psi
7400 meters.
Around 4 dollars a round