Tag Archives: improguns

‘Slam-barrel’ single shot pistol

Examples of a ‘slam-barrel’ pistol, a design in which the barrel also acts as a striker against a fixed firing pin located at the rear. The barrel is pulled forward to cock and load a cartridge.

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Improvised semi-automatic pistol with Paintball frame (Brazil 20)

A fairly compact improvised semi-automatic pistol seized in Brazil. Its entire trigger frame is from a paintball marker.

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Related: Improvised brass barrel firearm with paintball marker trigger frame

Pictured is an interesting improvised 9mm firearm being sold within criminal circles in Brazil. The entire trigger group / lower is from a standard paintball marker, allowing for a more useful semi-automatic (open-bolt) operation. A clever feature is the use of standard 9mm holed hexagonal brass bar stock as a crude smooth-bore barrel.


Revolving shotgun used in robbery (Brazil)

A homemade revolving shotgun among firearms seized from three suspected youths following an armed robbery.

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9mm zip gun made from a bicycle pump

A 9mm zip gun fabricated using a bicycle pump and some threaded fittings. Confiscated from a member of a biker gang in Sweden.

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Improvised pipe shotguns (Chile)

Several crude improvised slam shotguns made using two pieces of pipe and a nail as a firing pin. Often constructed using sections of bicycle frame.

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Compact improvised shotgun pistol (Brazil)

A crudely made compact 12 gauge shotgun pistol seized during a drug related arrest by police in Brazil.

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PA Luty 9mm SMG captured in Brazil (17)

An obviously influenced attempt seized with ammunition.

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Pistols manufactured by street gang (Brazil)

A number of crude single-shot pistols found in a bag after a group of nearby youths fled from police officers.

singleshotzipguns153 improguns67895684635511One of the pistols with it’s striker cocked back ready to fire.


Homemade shotgun used in robberies (Natal, Brazil)

A pistol and homemade shotgun used by two youths to rob local businesses. Seized upon their arrest by police in Natal, Brazil.