[Dead Corpse]

Different terminology, same round. They are all pretty much varients of your standard .30 cal round with various case lengths, bullet weights, and powder loads. .30, .30-06, .308, 7.62x54R, and the .30-30 are the more common types. Bullet weights range from 55gr .223 rounds in sabots, up to 220gr soft point jacketed slugs.

Depending on platform, the .30 cal round has an almost ideal profile for accuracy from 100-1000yrds with the .308Win bullet/powder/case combo being widely awknoledged as the most accurate.

[Hazcat]

OK, I understand the caliber (30) but will a .308 round fire out of a .308 Win rifle and vis versa? When I called Wain Roberts they said that they are different rounds and that certain guns called for either .308 or .308 Win.

[PhilipFreneau]

>>>They are all pretty much varients of your standard .30 cal round with various case lengths, bullet weights, and powder loads .30, .30-06, .308, 7.62x54R, and the .30-30 are the more common types.<<<

I believe all of those use the .308 caliber bullets, except for the Russian (7.62x54R) which uses a slightly larger caliber (.311 I believe).