Shooting Some Sacred Cows

Army, sometime in the 1920s: Most of the technological militaries are going to 6.5-7mm cartridges, with good success. John C. Garand, design us something like that.

Garand: How about a self-loading rifle in .276 Pedersen? Easy to shoot, reliable, effective.

Infantry officers: I wanna be a engineer! Let me tell you my ideas.

MacArthur: I've decided that since we had lots of .30, the rifle should be in .30. Just because we're changing doesn't mean we should…change.
Army: This rifle can't...