The Steyr AUG is used by the Bakersfield Police officers, the ICS security guards and the guerrillas.
Franchi SPAS-12
Franchi SPAS-12 can be seen in the hands of the Bakersfield Police officers at the beginning of the film.
Beretta 92F
Beretta 92F can be seen in the hands of Lt. Saunders when he tried to detain Richards after Richards refused to open fire on the food rioters.
M134 Minigun
The M134 is seen mounted in M21 Armament Subsystem on the side of the UH-1 Iroquois gunship in the Bakersfield Massacre scene.
Trivia: The scene where the M134 Minigun was fired was taken from the 1976 remake of King Kong when US Army UH-1 Iroquois helicopters attacked Kong at the World Trade Centre with Miniguns mounted on the helicopter's. This moment inspired this funny video.
Mossberg Bullpup
This weapon is seen in the hands of the guerillas in the end scene.
Colt Commando
The Colt Commando is used by Ben Richards (Arnold Schwarzenegger) and a number of prisoners during the escape from the Wilshire Detention Zone as well as in the hands of the prison guards at the beginning of the film and in the hands of the Guerrillas towards the end of the film.
Calico M100 rifle
Calico M100 rifles were seen in the hands of the prison guards at the Wilshire Dentention Zone at the beginning of the film and in the hands of the ICS security guards.
A customized Micro Uzi is carried by Amber Mendez (Maria Conchita Alonso) during the assault on the ICS Building. Her Micro-Uzi has some parts chrome plated, indicating this exact same weapon was seen in Total Recall. It is fitted with a 15-round magazine, barrel extension, and scope.
Fictional Weaponry
Kelton Flamethrower
The Flamethrower used by Fireball (Jim Brown) is unknown. But at the end credits, Various products are mentioned in the quote below:
*The Running Man* has been brought to you by: Breakaway Paramilitary Uniforms, Ortopure Procreation Pill, and Cadre Cola; it hits the spot! Promotional considerations paid for by: Kelton Flame Throwers, Wainwright Electrical Launchers, and Hammond & Gage Chainsaws. Damon Killian's wardrobe by Chez Antoinne: 19th-Century craftsmanship for the 21st-Century man. Cadre Trooper and studio-guard side arms provided by Colchester: the pistol of patriots. Remember: Tickets for the ICS studio tour are always available for Class-A citizens in good standing. If you'd like to be a contestant on THE RUNNING MAN, send a self-addressed stamped envelope to: ICS Talent Hunt, care of your local affiliate, and then go out and do something really despicable! I'm Phil Hilton! Good night, and take care!
Wainwright Electrical Launcher
The "Cordless Taser" type weapon mentioned as a Wainwright Electrical Launcher in the end credits voicover is used by Dynamo (Erland Van Lidth) throughout the movie. It accidently kills Dynamo himself during a fight with Amber Mendez when she shoots the Water Sprinklers therefore electricuting him.
Hammond & Gage Chainsaw
The Chainsaw used by "Buzzsaw" Eddie Bitowski (Gus Rethwisch) is unknown. But in the scene where Buzzsaw is introduced to audience and in the end credits voicover, it is mentioned as "Hammond & Gage Chainsaw". It was also mentioned that it was made from durasteel covered with teflon
It's also said, that this chainsaw was modified specially for Buzzsaw to cut almost everything (what he demonstrated by cutting metal). Buzzsaw's Honda motorcycle has special mount to place his chainsaw.
Net gun is used by police to capture Ben Richards. This gun is real gun, used mostly in reality to catch animals without harming it.
Costume weapon
Unknown costume weapon is seen in studio on Captain Freedom (Jesse Ventura) though, he didn't use it due to personal dislike of any weapons in the game. Arm-mounted costume pieces have barrels, but it's unknown what type of ammo or energy do they fire.
Unknown gun
Unknown cannon or machinegun seen mounted on the police van. Most likely it's a prop built specially for the film.
Signal lighter
Ben Richards uses Fireball's own signal lighter, that was on his belt, as a detonator to explode broken Kelton Flametrower.