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for a 1936 type self loader that needed specialy designed ammunition to work right.
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The ammo was NOT designed for the M1 rifle.... The US cal 30 cartridge existed long before the rifle. The rifle was designed around the pressure curve of the existing stocks of cal 30 ammo.
Remember..... the M1 rifle is NOT chambered for the "30-06 Springfield" cartridge. This designation is a commercial name, not one given by the US military.
The US military cartridge that the M1 rifle fires is the "US caliber 30" cartridge (Says so right there on the heel of the receiver.) and has it's own specifications as to bullet weight, powder type, pressure curves, etc.... The commercial "30-06" cartridge specs are determined by SAAMI and give no consideration to the needs of US military weapons, then or now.
Conversely, there was no need by USGI equipment designers to consider the possibility of commercial ammo ever being used in their rifles. These were US military combat arms and the only ammo that could-would ever be used in those weapons in their primary usage (Military-combat) would be the ammo supplied by the military.
Swampy
Garands forever
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Pres-CEO Swampworks Inc. / JLK Bullets
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