Glock 17 pistols are used by Sheriff Stan Watkins (Michael Bowen), Dep. Rolston (Eric Breker), as well as Chris Vaughn (Dwanye "The Rock" Johnson) when he becomes Sheriff of the town. When Watkins and some other of the deputies shoot up the police station, Chris gives his Glock to Deni (Ashley Scott), who helps distract Watkins at one point, but does little more than waste ammo.
Remington 870
Chris Vaughn (Dwanye "The Rock" Johnson) keeps a Remington 870 locked up in his shed. He takes it with him to assault the casino but then decides to instead take a 4"x4" block of wood instead. He gives the 870 to his father, Chris Vaughn Sr. (John Beasley), who declines claiming he put his guns up long ago. Later in the film when the ex-security guards attack Chris' family, Vaughn Sr. takes the 870 and kills the last man with it.
Mossberg 500
Booth (Kevin Durand), one of the guards in the Casino tries to shoot Chris with a Mossberg 500 before being dispatched by him and his block of wood. Later in the film when both Chris and Ray Templeton (Johnny Knoxville) are officers, they are both seen using Mossberg 500 shotguns throughout the film.
Beretta 92FS
One of the security guards in the casino draws a Beretta 92FS when Chris starts a fight for catching a cheating Craps dealer use weighted dice. The same guard uses the Beretta when attacking Chris' family later in the film.
Ithaca 37
One of the guards in the casino wields a sawed-off Ithaca 37 shotgun when Chris assaults the place. Another guard is seen using the M37 when they attack Chris' family.
FN Minimi SPW
While Chris and Deni are in the Sheriff's Department, Stan Watkins and another deputy begin firing FN Minimi SPWs or "Special Purpose Weapons" at them.
Colt Model 715
While Chris and Deni are in the Sheriff's Department, one of the ex-deputies open up with an Colt Model 715, the earlier Colt Canada C7 produced by the American Colt to serve Canadian forces, noted by M16A2 forward assist and shell deflector with A1 style sights. It is fitted with a 100 round Beta-C magazine.
M1911A1
One of the Ex-Security guards in Chris' house is armed with an M1911A1 pistol which he manages to hit Ray in the leg with beofre he stabs him with a potato peeler. He later is shown to still be alive and is shot by Chris Sr. with the 870 shotgun.
MAC-10
An instruction manual for a MAC-10 submachine gun is seen in the Sheriff's Department as it is shot to pieces by the ex-officers.