roughly about 22 miles accurate
.308
It can shoot about 3 miles. It can shoot accurately to about 1100 meters in the hands of a highly skilled marksman, depending on which rifle is firing the cartridge.
A 150 grain bullet shot from a 308 will start dropping the fraction of a second it leaves the barrel.
Maxiimum possible range- close to 5 miles- accurately- about 1200 meters.
Big game
No, it cannot.
No.
Whether you need a 5.56 or a 308 depends what you intend to shoot. A .308 is intended for larger game like deer and elk.
no ,7.62 has more impact in the shot you can shoot a .308 in a 7.62 ,but not 7.62 in a .308
the standard m16 shoots the 5.56mm, but it can be converted to shoot 9mm, 7.62mm, even .308
The cartridge in question is the .300 Winchester Magnum, and not the .308 WinMag. The .308 cartridge is about 16mm shorter than the .300 Winchester Magnum casing. The two are NOTinterchangeable.