Frommer Stop

Frommer Stop
Frommer Stop
	Frommer Stop in caliber 7.65mm Browning
Type	Pistol; Machine pistol
Place of origin	Austria-Hungary
Service history
Used by	Royal Hungarian Army; Ottoman Army
Wars	World War I; World War II
Production history
Designed	1912
Variants	Pisztoly 12M; Pisztoly 19M; Pisztoly 39M
Specifications
Mass	610 g (22 oz)
Length	165 mm (6.5 in)
Barrel length	95 millimeters (3.7 in)
Cartridge	7.65mm/.32 ACP; 9mm Kurz/.380 ACP
Action	Recoil-operated
Rate of fire	Semi-automatic
Muzzle velocity	280 m/s (919 ft/s)
Feed system	7-round detachable box magazine

The Frommer Stop is a Hungarian long-recoil, rotating bolt pistol manufactured by Fémáru, Fegyver és Gépgyár (FÉG) (Metalware, Weapons and Machine Factory) in Budapest. It was designed by Rudolf Frommer, and its original design was adopted as the Pisztoly 12M in 1912, created for the Royal Hungarian Army. The handgun was manufactured in various forms from 1912 to 1945 and used in the Hungarian Armed Forces as well as, during the First World War, by military of the Ottoman Empire in limited quantities. The Stop is 165 millimeters (6.5 in) long with a 95 millimeters (3.7 in) 4-groove rifled barrel. Unloaded weight is 610 g (22 oz), and the detachable box magazine holds seven rounds.[1]

The Stop incorporated design features of earlier Frommer pistols including the Model 1901 (M1901) and M1904 derived from the Roth–Theodorovic pistol.[2] The predecessor to the Stop pistol, the M1911, was chambered in a proprietary 7.65mm (.32-caliber) cartridge having a crimp in the casing at the base of the bullet. This round achieved a velocity of 920 feet per second (280 m/s) from the gun. Frommer redesigned the pistol with a more conventional layout. Patented in 1912, this variant was produced from 1919 to 1939, under the name Pisztoly 19M. It was adopted as the official sidearm of the Hungarian Armed Forces. The last variant of the Stop, the Pisztoly 39M, was produced in 9mm Kurz (.380 ACP); however it was never adopted as a service pistol.[1]

Use as a double barrel machine gun

The Frommer M1917 Stop pistol was also used in a dual mounted tripod that fired both pistols in full automatic. The pistols were inserted upside down and fed from 25 round box magazines.[3]

Use as a machine pistol

The Frommer Stop Machine pistol was an experimental model in WW1. The machine pistol version can fire only fully automatic and fed from 15 round box magazine.

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References

Broten, Merv. "Frommer Baby and Stop Pistols". cruffler.com. Retrieved 26 September 2017.
Antaris, Leonardo M. (2017). "In the Beginning". American Rifleman. National Rifle Association. 165 (10): 80.
Ortner, M. Christian (2006). Storm Troops: Austro-Hungarian Assault Units and Commandos in the First World War: Tactics, Organisation, Uniforms and Equipment. Vienna: Militaria Verlag. ISBN 9783950164282. OCLC 63197175.

External links

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[web-1] Broten, Merv. "Frommer Baby and Stop Pistols". cruffler.com. Retrieved 26 September 2017.

[2] Antaris, Leonardo M. (2017). "In the Beginning". American Rifleman. National Rifle Association. 165 (10): 80.

[3] Ortner, M. Christian (2006). Storm Troops: Austro-Hungarian Assault Units and Commandos in the First World War: Tactics, Organisation, Uniforms and Equipment. Vienna: Militaria Verlag. ISBN 9783950164282. OCLC 63197175.