"When combined with a slow twist rate, this creates a situation where the round is designed to tumble. The length of the 5.56 during a tumble is greater than the surface area of a hollow point in the same size round."
***
Good point. Yet the round tumbles only when it hits something, as does a perfectly-spiralling football in mid-air. Some people think that the original M16A1 rifle made the rounds tumble as soon as they left the muzzle. But I remember pulling the targets at the rifle range on Parris Island in 1980 at 500 yards. The rounds made perfect small holes hitting the paper, and kicked up at least a foot of dust when they hit the sand pile behind the "butts".
"Good point. Yet the round tumbles only when it hits something, as does a perfectly-spiralling football in mid-air. Some people think that the original M16A1 rifle made the rounds tumble as soon as they left the muzzle. But I remember pulling the targets at the rifle range on Parris Island in 1980 at 500 yards. The rounds made perfect small holes hitting the paper, and kicked up at least a foot of dust when they hit the sand pile behind the "butts"."
You are correct sir.