[Vpmedia]

some real info on ww2 guns and ammo:

Tracer colors:
http://web.archive.org/web/200405150107 ... apons.html

WORLD WAR 2 FIGHTER ARMAMENT EFFECTIVENESS
http://www.quarry.nildram.co.uk/WW2guneffect.htm
from http://www.quarry.nildram.co.uk/miltech.htm

The WWII Fighter Gun Debate: Ammunition
http://users.skynet.be/Emmanuel.Gustin/ ... un-am.html