International Military Cartridge Comparisons; .30 Caliber, Modern Artillery Rounds & More
Around the turn of the century say from mid to late 1880s through about 1910 most of the major belligerents of WWI and WWII had adopted cartridges that were essentially in the thirty caliber category. Two exceptions were the Japanese with the Arisaka rifle in 6.5x50mm and the Italian Carcano rifle in 6.5x52mm. Though the…