For fun let's say the US Army and/or Marine Corps look at the Remington Model 8 in 1910 with its .35 Remington and 15-round special magazine (standard is 5-round box magazine) and decides they like it. The cartridge has a power roughly 90% of a modern 7.62x39/AK-47 round, but in this case they can fire in true semi-automatic fashion. What effects, if any, does this have?