Maniac

Maniac is a 1980 cult horror slasher/splatter directed by William Lustig, most known for famed character actor Joe Spinell outstanding performance as a psychotic serial killer Frank Zito, incredible special make-up effects by genre cult guru Tom Savini and neo-noir dark romantic depiction of New York.

Maniac (1980)

The following weapons were used in the movie Maniac:

Unknown double barreled shotgun

Frank Zito (Joe Spinell) using unknown double barreled shotgun in the most famous scene of the movie, where he shoots disco boy (Tom Savini) and disco girl (Hyla Marrow)with it in their car. Zito uses a violin case to illegally hide his weapon, when he's in the city.

Zito's table. Shotgun is on the left, waiting to be put in the violin case.

Zito putting shotgun in the violin case

Shotgun in the violin case

Zito putting shotgun in the violin case

Zito aims his shotgun at disco boy (Tom Savini)

Zito aims his shotgun at disco boy. Note that disco boy is a special effects dummy (though really good made). The hands are those of Tom Savini making it so he's shooting himself in this scene.

Zito shooting disco boy. Note absence of big muzzle flash and that barrels moving strange

Zito points his shotgun at disco girl (Hyla Marrow)

Close up of shotguns barrel from disco girls point of view.

Shotgun among with pistol case and violin case on the table near the end of the movie.

Shotgun on the table.

Unknown sports or air pistol

Frank Zito using unknown pistol held in special case, while practicing shooting in his apartment. He didn't fire this pistol in the movie, but there is a bullet holes in the wall, presumably by bullets shot from this pistol.

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Zito with his pistol case.

Zito taking pistol from the case.

Zito holding his pistol.

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Zito holding his pistol.

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Zito holding his pistol.

Zito aims his pistol at the wall.

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Zito aims his pistol at the wall.

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Zito holding his pistol.

Zito holding his pistol.

Zito holding his pistol.

Colt Detective Special

Police detectives (Randy Jurgensen and Jimmy Aurichio), that arrived in Zito's apartament in the movie's final scene using two Colt Detective Special revolvers.

Colt detective special

Randy Jurgensen (left) and Jimmy Aurichio taking out their Colt DS revolvers.

Randy Jurgensen (left) and Jimmy Aurichio with their Colt DS revolvers.

Randy Jurgensen (left) and Jimmy Aurichio with their Colt DS revolvers.

Randy Jurgensen (left) and Jimmy Aurichio with their Colt DS revolvers. Jurgensen's clear visible.

Randy Jurgensen (left) and Jimmy Aurichio with their Colt DS revolvers.

Randy Jurgensen (left) and Jimmy Aurichio with their Colt DS revolvers.