1. first of all, is there really such a thing? the weapons labeled battle rifles (G3, FAL, CETME, etc.) were all designed to be assault rifles and are all in 7.62x51 NATO, because of the US's stubbornness to keep the 7.62 caliber rifle round forcing NATO to standardize it
2. at what point would a cartridge go from being "intermediate" to "full-power"
2. at what point would a cartridge go from being "intermediate" to "full-power"