Balls of Fury
The following weapons were used in the film Balls of Fury:
Agent Rodriguez's (George Lopez) handgun is a SIG-Sauer P225. He only used it once throughout the film when after waking up from a nightmare, and firing three shots at the bedframe just above Randy Daytona's (Dan Fogler's) head.
When Randy shoots off Agent Rodriguez's sidearm nearby FBI Agents draw their SIG-Sauer P229s on Randy.
One of Feng's (Christopher Walken) guards holds a Custom AKMS with him in the bathroom scene, before Agent Rodriguez (George Lopez) knocks him out. Also several are seen on Feng's guards during the ending shoot-out.
Sten Mk II
A few of Feng's men are armed with Sten Mk II submachine guns.
Feng has an arsenal of AKMs in his armory.
Fengs armory is partly comprised of M16A2s.
Randy picks up and attempts to rack the slide on a Type 77 pistol but ends up breaking it.
Heckler & Koch MP5A2
Several Heckler & Koch MP5A2s can be seen in Feng's armory.
Heckler & Koch UMP
One FBI SWAT agent uses an Heckler & Koch UMP during the raid on Feng's hideout.
M203 grenade launcher
The M203 grenade launcher is used by the FBI during the attack on Feng's tournament.
Feng's Armory is partly composed of M4A1 Carbines, Several of the FBI SWAT Agents are seen carrying M4A1 Carbines during the raid on Feng's hideout.
Feng's Arsenal contains a large amount of handguns, feel free to identify what you can in the caption.
Milkor MGL Mk 1L
Fun Fact: Christopher Walken's placement on the stairs changed during the filming of this scene.
A women working for Feng fires a Sig-Sauer P230.
Several of Feng's men utilize the Remington 870 (Identified as a Remington 870 by it's endcap -which is hidden by the muzzleflash in this shot)
When coming to the distress call sent out by Agent Rodriguez (George Lopez), FBI members infiltrate Feng's (Christopher Walken) hideout. The FBI SWAT leader uses a Beretta 92SB (mocked up as a Beretta M93R) with extended magazine and barrel as a side-arm.