Developed in the 1950's by Winchester as the .308 and NATO as the 7.62x51 as a standard for small arms the original intention was to replace the .30-06 cartridge which was difficult for usage in semi-automatic rifles..
Developed in the 1950's by Winchester as the .308 and NATO as the 7.62x51 as a standard for small arms the original intention was to replace the .30-06 cartridge which was difficult for usage in semi-automatic rifles..