Earth vs. the Flying Saucers
The following firearms were used in Earth vs. the Flying Saucers:.
Numerous U.S. Air Force soldiers throughout the film use M1 Carbine rifles.
The guards at Operation Skyhook use M1 Garand rifles. In a blooper, when the soldiers drive up in a Jeep they're holding M1 Carbines. But the shot of them lying down to shoot at the aliens suddenly has them wielding M1 Garands.
Colt Official Police
When Dr. Marvin, his wife Carol, Major Huglin and a policeman are abducted by the aliens, the policeman (Larry J. Blake) is armed with a Colt Official Police revolver. He uses it to uselessly shoot at the aliens who appear on viewscreens after they revealed they've brainwashed General Hanley (Morris Ankrum).
Colt Police Positive
Major Huglin uses a Colt Police Positive.
An Air Force plane that engages one of the saucers at one point has a side-mounted Lewis gun which the crew fire at the aliens with.
Bofors 40mm AA
Seen mounted on a truck at Operation Skyhook.