Originally Posted by SecondChance

As was the 30-06(7.62x57) till NATO adopted the 308 for lighter weight of ammo in bulk. Was all they had in 'Nam. Havent heard the trunk monkey tag in a minute!!!!

Yes Cypress, the M60 uses 308 and 249 uses 223 ammo.
And the 308 does show a more inheritable accuracy over the 30-06 for the type of work it is fashioned for. Thats why more police depts use/used the 308 over the '06, for which they are now many going to the 338 Lapua.