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greennitit t1_j13g95o wrote

When it comes to ballistic projectiles nothing is better or worse than any other. It’s just a matter of application. The .280 would have had a slight flatter curve and slower speed down range as opposed to a .30. At the end of the day it’s a matter of what the military seems as necessary energy at muzzle, 100 ft, 500ft etc with consideration to bullet drop trade off for larger rounds


akodo1 t1_j20i5kt wrote

Don't forget, each military from WW1 onwards faced the question: do I get the cartridge that is GREAT in the medium machingun but recoil heavily in the individual rifle or reverse that.


Ironclad2nd t1_j13xcvc wrote

Like I said: .280 had a higher penetration capability as well as muzzle velocity. I can’t remember the source but .308 was 4x slower than 5.56 and about 1.9x slower than the .280 thus less of the capabilities mentioned above. The only thing true was that the US did not want a foreign concept inducted into their military simply out of politics…. Nothing else.