[HT] Gun Design and the 5.56x45

[Kromm]

Originally Posted by DouglasCole

No. GURPS damage goes as sqrt(KE), or proportional to velocity. Half velocity is half damage.

Correct. You would have to ask David Pulver about why – that part of things was his bailiwick in GURPS Vehicles and the GURPS Basic Set, Fourth Edition – but I can confirm that GURPS scales damage with the 1/2 power of kinetic energy, so it's effectively proportional to v (and to m^(1/2)).