The following firearms appear in Diary of the Dead.
A Glock 17 is used by the two police officer in the opening sequence.
A 3rd generation Glock 17 in 9mm (9x19).
Two police officers with Glocks shooting at the living dead.
A stainless steel Walther PPK used by Mary (Tatiana Maslany) to shoot herself and then used by Gordo (Chris Violette), Tony (Shawn Roberts), and Maxwell (Scott Wentworth) against the zombies.
Walther PPK stainless - 9mm Kurz aka .380 ACP
Gordo shooting the dead nurse. Note that the PPK is always in double action in every scene.
A Beretta 92FS is used by various characters.
A Beretta 92FS in 9mm (9x19)
The rednecks shooting at zombies with a Beretta.
Who appears to be the leader of a group of soldiers shooting the old man.
The Beretta offered to Maxwell.
Used by the National Guard troopers. The militia use AR-15s, noted when the black guy says its semi-auto.
He might just be referring to the placement of the selector switch? When they're hunting for the guy who had a heart attack, burst fire is heard (and seen).
One of the militiamen with the M16 and Tony with the Walther PPK.
Two of the militiamen holding M16 rifles (notice trigger discipline).
A FAMAS is seen inside the survivor's warehouse.
FAMAS in 5.56x45 akin to the one shown in the pick up truck.
The FAMAS (right corner) with additional bipod standing on a pickup truck with "White Man" (Boyd Banks) next to it.
Different angle of the previous picture.
A Mossberg 590 used by Eliot (Joe Dinicol).
A Mossberg 590 akin to the one Elliot used.
Elliot holding the Mossberg 590.
Beretta Model RS-202 M2
Beretta Model RS-202 M2 is used by the rednecks to kill a zombie woman.
Beretta RS-202 M2 - 12 gauge
The shotgun used by the rednecks