Zombieland is a horror/comedy about four survivors of a Zombie Apocalypse who are traveling west, looking for a place where there are no Zombies. The two girls Wichita, and Little Rock are sisters and are going to the amusement park, Pacific Playland, which they believe is zombie free. Columbus and Tallahassee are not so sure. In the film, survivors usually don't share their real names for fear of getting too attached, so people are known by the city they are from. On the poster, the characters of Wichita and Little Rock are carrying a chainsaw and a shovel, items carried in the film by Tallahassee before he met the girls.
The Following guns appeared in the film Zombieland:
Wichita (Emma Stone) carries a Mossberg 500 Shotgun with rear pistol grip, forward pistolgrip and side-saddle shell holder. In usual movie fashion, she fires more shots than the magazine tube of the gun can hold.
IGA Coach 12 gauge shotgun
Despite having a choice of more suitable weapons, Columbus (Jesse Eisenberg) insists on using and keeping an IGA Coach double barreled shotgun, despite it's very slow reloading time compared to the submachine guns and pump shotguns carried by his friends.
Heckler & Koch MP7A1
Tallahasse (Woody Harrelson) uses an H&K MP7A1 against the zombie hordes several times in the film. Another H&K MP7A1 is seen at the beginning of the film lying discarded (since the Secret Service agents have now become zombies) on the ground next to the President's limo as the chaos unfolds in Washington D.C.
Note: In the above screenshot, if you look carefully you can see horizontal 'lines' in the frame. This is because the movie was filmed using Digital video, not actual film. The production used the Panavision Genesis digital camera (a high definition video camera) and then transferred to film later. These 'shockwave lines' occur when an explosion or shockwave happens near the camera, creating flaws in the image. This problem occurs with ALL video technology currently. It is not a problem with actual FILM cameras because they use actual film and mechanical gates which are not affected by the shockwaves of gun fire.
Winchester 1892 "Mare's Leg"
In his endless quest to find a Hostess Twinkie and kill Zombies, Tallahassee (Woody Harrelson) carries a 6 shot Winchester 1892 "Mare's Leg" with a standard lever, not the enlarged loop of other famous versions of the gun (such as the one from Wanted: Dead or Alive ) - .44-40.
Nickel M1911A1
Tallahassee (Woody Harrelson) fires akimbo with two pistols in the shootout at the amusement park. The one in his right hand is a nickel plated M1911A1 - 45 ACP. Actually in closeups, Tallahassee is holding an MGC replica M1911A1 in bright nickel. Continuity is broken with his handguns many times in the stuff animal booth battle sequence.
During the battle Tallahassee (Woody Harrelson) has a Nickel M1911A1 in his right hand and a Nickel SIG-Sauer P226 in his left hand, but by the end of the battle, (in a continuity break) he has two M1911A1 pistols.
SIG-Sauer P226 (Nickel)
Tallahassee (Woody Harrelson) holds a Satin Nickel SIG-Sauer P226 Pistol in his left hand. Which causes confusion is that during the fight, this gun switches to an ISS Non-Gun Silver "Flashpaper" Pistol (which is shorter than the full sized P226) which made viewers believe it was a P228.
Glock Non Gun
During Columbus's explanation of Rule #2, "The Double Tap", a Glock 17 Non Gun pistol (also referred to sometimes as a 'flashpaper gun') is used by an Asian businesswoman to shoot a zombie on a chaotic Atlanta street. The actress is using a "flashpaper" Non Gun, due to the close proximity of the stuntperson. It is also the first Non Gun to appear in the film (the later Non-guns being Tallahassee's pistols that he uses in the final battle at the theme park)
M1911 and SIG-Sauer Non Guns
When firing in close proximity to the actors portraying zombies, it is obvious that Tallahassee is using Non Guns (also known as "flashpaper" guns) for safety reasons. He uses an M1911 Non gun and a SIG Non gun to fire at the rampaging zombies during the final battle at Pacific Playland.
Norinco Type 84
A modified Norinco Type 84 with an underfolder "Pig Sticker" bayonet is used by a survivor to fight zombies with little success.
Taurus Model 62C Takedown Rifle
Little Rock (Abigail Breslin) carries the Taurus Model 62C takedown rifle, a modern clone of the classic Winchester 1890 Pump action rifle, but with a shorter barrel. She uses it to shoot Zombies at the amusement park.
Beretta 92FS
Seen lying on the ground next to a Heckler & Koch MP7, assumed to be the discarded weapons of now-zombified Secret Service agents.
Seen during one of the vistas of destruction, Columbus (Jesse Eisenberg) and Tallahassee (Woody Harrelson) walk through a destroyed town, with a tan painted British Chieftain tank sitting in the street. Because of the Gun Control Act of 1968, it is nearly impossible to get an M1 Abrams tank for private use (i.e. a movie prop vehicle company), so many of the "M1" tanks that you see in TV and films are actually modified British Chieftan tanks. Sometimes, as in the case of this film, the tank isn't even modified to look like an M1 Abrams tank. Because it is a Chieftain, we have to assume that it's mounted with an L11A5 120 mm rifled gun.