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Parsifal, I agree with your Aussies who believe the M16 lacks killing power. I am not a combat veteren but have killed a lot of game and consider the .223 inadequate for deer which are about the same body weight as a man. When I was on active duty in 61-62, I carried a carbine and it was easy to carry and handy but if we had gone into combat against the Warsaw Pact countries, I would have wanted something more powerful. To me something on the order of the power of the 7x57 would be ideal in a self loading battle rifle and I don't believe full auto is necessary. One more thing on the Garand. If one has a stoppage he is reduced to a bolt action rifle which was the same as the Mauser or Arisaka.
To me, that light bullet with high velocity would not make a good jungle weapon. A heavier bullet at somewhat lower velocity would not be as likely to be deflected by a twig or big leaf.
Parsifal, I believe your explanation about the Germans sticking to the Mauser 98 may be on the mark. I am still a little surprised that the US adopted the Garand. An example about the thinking of the US Army was that during the Civil War an inventor offered the Army the Spencer carbine, a breech loading with seven shot magazine repeating rifle with metallic cartridges. The army turned it down. The story is that the inventor got in to see Lincoln and he took the carbine out to shoot it in the yard at the White House. Lincoln liked it and advised the Army to adopt it. They bought some in the carbine and musket model and it served well. Our boys(Confederates) hated it. After the war, the army discarded the Spencer and went to the trap door single shot Springfield. Go figure.
The 30-06 cartridge can be criticized today, but in 1940 it had few equals.
The .45 in pistol ammunition was a tad big, but it at least gave the US ttroops the confidence to believe it had a killer knockout punch.
Speaking of M1's, I just bought a converted Garand in a .308,great shape,new barrel, had a smith check it over.i paid 625$ for it. I know it's not a collector piece but I have a ton of .308 that I need to shoot and this will be a fun rifle to do it in. looking forward to some range time.
nice buy torch the m1 rifle is semi auto rifle so it can pack a punch