Firearms Chambered in 9x19mm (Submachine Gun)

The MP5K is a compact version of the famous Heckler & Koch MP5 submachine gun chambered in 9x19mm. The K stands for Kurz, German for short, with the weapon being significantly shorter than the standard MP5. It uses a roller-delayed blowback action inherited from the HK G3 rifle. The MP5K has a 115 mm barrel and a vertical foregrip instead of a standard handguard. It is designed for concealed carry by plainclothes security personnel and special operations forces.

The Bergmann MP-18 is the world's first practical submachine gun, designed by Theodor Bergmann in 1918. It was developed for the German Army during World War I to provide infantry with a high volume of close-range firepower. The MP-18 fires the 9x19mm Parabellum cartridge from a 32-round drum magazine. It uses a simple blowback action with an open bolt. The MP-18 established the basic concept of the submachine gun that would dominate close-quarters battle for decades.

The Sa vz. 25 is a variant of the Czechoslovak vz. 23 submachine gun featuring a folding metal stock instead of the fixed wooden stock on the vz. 23. It was designed for use by paratroopers, vehicle crews, and special forces who needed a more compact weapon. The vz. 25 shares the same telescoping bolt action and receiver as the vz. 23. Its folding stock folds to the side, reducing overall length for storage and transport. The weapon is chambered in 9x19mm Parabellum and feeds from a magazine inserted in the pistol grip.

The United Defense M42 is an American submachine gun designed by Carl Swebilius. It was produced for the Office of Strategic Services during World War II. The M42 uses a blowback action chambered in 9x19mm Parabellum and feeds from a 25-round box magazine. It features a wooden stock, a perforated barrel jacket, and a folding magazine well. The weapon was designed to be compact and concealable for clandestine operations. It was one of the first submachine guns designed specifically for intelligence and special operations work.

The Beretta M12S is an improved version of the Beretta PM12 submachine gun, a blowback-operated weapon in 9x19mm. It features a telescoping bolt design that allows a compact overall length while maintaining a longer barrel. The M12S relocated the safety from the rear of the receiver to the trigger guard for easier access. It has a 200 mm barrel and a cyclic rate of 550 rounds per minute. The M12S was adopted by Italian military and police forces as well as numerous other countries.

The MP 41 is a submachine gun produced by Haenel Waffen und Fahrradfabrik during World War II. It was a hybrid design that combined the receiver and bolt assembly of the MP 40 with a wooden rifle stock and a selector switch for semi-automatic fire. The MP 41 was produced in limited numbers and primarily issued to Waffen-SS and police units. It is one of the few German submachine guns of the era to offer a semi-automatic firing mode.

The MP 38 is a submachine gun developed by the German company Erma Werke and adopted by the German military in 1938. It was one of the first submachine guns to feature a folding stock and extensive use of stamped metal components. The MP 38 uses a simple blowback action and fires the 9x19mm Parabellum cartridge. It introduced modern manufacturing techniques that influenced subsequent submachine gun designs worldwide. The weapon is known for its compact size and high rate of fire.

The Sa vz. 23 is a Czechoslovak submachine gun developed shortly after World War II. It was one of the first submachine guns to feature a telescoping bolt design that wraps around the barrel, allowing for a compact weapon with a longer barrel. The vz. 23 was designed by Vaclav Holek and shares its basic operating system with the later Sa vz. 25 and vz. 26. It features a stamped steel receiver, a folding stock, and a distinctive pistol grip with an integrated magazine housing. The weapon is chambered in 9x19mm Parabellum.

The Beretta M38/42 is an Italian submachine gun produced during World War II as a simplified version of the earlier Beretta Model 38. It was designed to reduce production costs while maintaining the excellent reliability of the original design. The M38/42 features a simplified receiver made from stamped steel rather than machined components. It uses a unique two-trigger system: the front trigger for semi-automatic fire and the rear trigger for fully automatic fire. The weapon was highly regarded by Italian and German troops for its accuracy and reliability.

The BXP is a South African submachine gun developed by Mechem (a division of Denel). It was designed in the 1980s as a compact and lightweight SMG for military and police use. The BXP uses a telescoping bolt blowback system to minimize length while retaining a decent barrel. It is chambered in 9x19mm Parabellum and feeds from a 32-round box magazine. The BXP has a distinctive look with its side-folding wire stock and integrated mounting points. It was designed for close-quarters combat and as a personal defense weapon for vehicle crews.

The F1 is a submachine gun designed and manufactured in Australia. It was adopted by the Australian Defence Force in 1962 as the standard SMG. The F1 features a side-mounted magazine that allows the shooter to keep a prone position close to the ground. It uses a simple blowback action chambered in 9x19mm Parabellum. The submachine gun has a distinctive plastic pistol grip and a folding metal buttstock. It is known for its robust construction and reliable operation in jungle conditions encountered in Southeast Asia.

The MAB Model D is a French submachine gun produced by Manufacture d'Armes de Bayonne from 1949 to the 1960s. It was developed to equip the French Army with a modern submachine gun after World War II. The MAB D is a blowback-operated submachine gun chambered in 9x19mm. It features a wooden stock, a perforated barrel shroud, and a 32-round magazine. The MAB D is known for its quality construction and distinctive appearance.