The AK fires the 7.62x39mm cartridge, which uses a 7.85mm (.311 caliber) jacketed bullet weighting 123 grains (8 grams). Original bullets were made of steel wrapped in lead with a copper-plated steel jacket.
The standard AK47 fires a 123 grain bullet at 2,400 feet per second. This produces 1,600 ft lbs of energy.
The ak74 is deffinetaly the better choice better rate of fire and better accuracy. However 1 bullet of the ak47 does more damage than 1 bullet of the ak74. So ak47 is mainly for hitpoints and ak 74 is better for fire rate and accuracy.
The bullet used in the 7.62 x 38 CARTRIDGE can be of different weights. The standard bullet loaded for the SKS and AK47 is about 123 grains.
7.62x39
About 123 grains.
Although there are many variations, most AK47 shoot a ~30 caliber bullet (7.62mm).
If by fast you mean rate of fire- thre have been rifles that can fire 3000 shots per minute. But not the AK47. If you mean the speed of the bullet, I have one that shoots at 4500 feet per second. But it is not the AK47. The AK has no great power, speed nor accuracy. It is cheap to make, works in harsh environments, can be used by a poorly trained soldier.
The cartridge is 7.62mm x 39mm long.
The AK-47 and AKM use the 7.62x39 cartridge.
m4 <><><> You would have to define better. The M4 has a greater range, the AK a heavier bullet, the M4 a faster bullet, you can carry more ammo for an M4, the AK needs less maintenance, the M4 has a higher rate of fire- and so on.
it is 300-400 yards. AK74 is 500 yards
600