Meanwhile over at the Internet Movie Firearms Database...

...the good people of the imfdb know all kinds of things about movies, guns, actors, television, anime, video games, and manufacturers.

For example here's something I learnt about Audie Murphy from imfdb in To Hell and Back.

Audie Murphy can be seen using the following weapons in the following films:

Film

Gun	Character	Title	Note	Date
M1 Rifle	Himself	To Hell and Back		1955
M1 Carbine	Himself	To Hell and Back		1955
M1928A1 Thompson	Himself	To Hell and Back	mags taped together	1955
MG42 Light Machine Gun	Himself	To Hell and Back		1955
Browning M2 Heavy Barrel	Himself	To Hell and Back		1955