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The S100 was a German sub-machine-gun manufactured after the Great War. It takes a 9 mm round from a 32-round box and has a cyclic rate of 500 rounds-per-minute. Its muzzle velocity is 417 meters-per-second.
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The SAF is a Chilean sub-machine-gun based on the SIG 550 rifle. The SAF is chambered for the 9 mm Parabellum round which it takes from a 20- or 30-round box magazine and fires at a rate of 1200 rounds-per-minute, selectable for single shot, 3-round burst or fully automatic, with a muzzle velocity of 390 meters per second . The SAF is in service with the Chilean armed forces and police.
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The Sanna 77 is a South African blowback operated, semi-automatic pistol derived from the Czechoslovakian Vz-25 SMG but with the automatic fire capability removed. The Sanna is chambered for the 9 mm Parabellum cartridge which it takes from a 40-round box magazine. Even without the automatic fire the Sanna 77 can be fired almost as fast as a sub-machine-gun, but without the loss of accuracy that accompanies automatic fire. The Sanna 77 was marketed at South African farmers during the 1970's as a self-defence weapon.
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SAW is an abbreviation for squad automatic weapon. It is a new type of weapon similar to an automatic rifle but with a greater range, but not as heavy as a general purpose machine-gun.
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The Schwarzlose M07/12 was an Austrian delayed blowback-operated, water-cooled medium machine-gun produced from 1912 to 1918 adopted by the Austro-Hungarian army in 1905, and still used by the Italian and Hungarian armies until 1945. It was produced in various calibres, chambered for the 8 mm Austrian Mannlicher, the 7.92 mm Mauser and the 6.5 mm Dutch Mannlicher cartridges which it took from a 250-round cloth belt and fired at a cyclic rate of 400 rounds per minute with a muzzle velocity of 610 meters per second and an effective range of 2000 meters. The Schwarzlose M07/12 had a 527 mm long barrel and was fitted with a barleycorn foresight and a tangent notch rearsight.
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The SCK Model 65 was a Japanese blowback operated, selective fire sub-machine-gun similar to the Swedish Carl Gustav M45 series of sub-machine-guns. The SCK Model 65 was chambered for the 9 mm Parabellum cartridge which it took from a 30-round box magazine inserted in the forward grip. The SCK Model 65 had a cyclic rate of 550 rounds per minute and a muzzle velocity of 360 meters per second. The SCK Model 65 had a folding stock, blade foresight and a flip aperture rearsight. The SCK Model 65 was issued to Japanese Self-Defence forces.
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The SCK Model 66 is a Japanese blowback operated, selective fire sub-machine-gun similar to the Swedish Carl Gustav M45 series of sub-machine-guns and made as a modification of the earlier SCK Model 65. The SCK Model 66 is chambered for the 9 mm Parabellum cartridge which it takes from a 30-round box magazine inserted in the forward grip. The SCK Model 66 has a cyclic rate of 465 rounds per minute and a muzzle velocity of 360 meters per second. The SCK Model 66 has a folding stock, blade foresight and a flip aperture rearsight. The SCK Model 66 is issued to Japanese Self-Defence forces.
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The SIG GPMG 710-3 is a Swiss delayed blowback automatic air-cooled general purpose machine gun. The SIG GPMG 710-3 is chambered for the 7.62 mm x 51 cartridge which it takes from a belt feed and fires with a cyclic rate of between 800 and 950 rounds per minute with a muzzle velocity of 790 meters per second to an effective range of 800 meters when fired from a bipod and 2200 meters when fired from a tripod. The SIG GPMG 710-3 has a 559 mm long barrel with provision for a quick barrel change and is fitted with a blade foresight, leaf notch rearsight and a 2.5 x magnification telescopic sight. As well as seeing service with the Swiss armed forces, the SIG GPMG 710-3 was also supplied to the Bolivian Army, Brunei and the Chilean police.
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The SIG MP 310 was a Swiss selective sub-machine-gun made between 1958 and 1972 when production ceased due to poor sales blamed on the high cost of production. The SIG MP 310 was chambered for the 9 mm Parabellum cartridge which it took from a 40-round folding box magazine and fired at a rate of 900 rounds per minute with a muzzle velocity of 365 meters per second. The SIG MP 310 had a 200 mm long barrel. Despite only 1000 units being made, the SIG MP 310 was used by the Swiss police.
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The Skorpion Model 61 (Vz 61) was a Czech blowback operated, air-cooled, machine pistol with selective fire produced in .32 ACP, .380 ACP, 9 mm Makarov and 9 mm Parabellum calibres firing at a rate of 840 rounds-per-minute (950 rounds per minute when silenced) from a 10 or 20-round magazine with a muzzle velocity of 317 meters per second, reducing to 274 meters per second when silenced. The Skorpion Model 61 was produced during the 1950's as a replacement for the M52 pistol, as a dual-purpose pistol-sub-machine-gun, failing to perform very well in either role. The Skorpion Model 61 was fitted with a folding stock, and has an effective range of 50 meters with the stock folded, increased to 200 meters with the stock extended. The foresight was a cylindrical post, the rearsight a flip type with settings for 75 and 150 meters.
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The Socimi Type 821 is an Italian blowback type sub-machine-gun first produced in 1984 and employing precision castings rather than pressed steel. The
Socimi Type 821 is chambered for the 9 mm Parabellum cartridge which it takes from a 32-round box magazine and fires at a selectable rate of single shot or 600 rounds-per-minute automatic.
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The Sola Light was a Luxembourgeois blowback operated selective fire sub-machine-gun produced as an improvement on the Sola Super. The Sola Light was chambered for the 9 mm Parabellum cartridge which it took from a 32-round box magazine and fired at a cyclic rate of 550 rounds per minute with a muzzle velocity of 381 meters per second. The Sola Light had an adjustable telescopic wire stock, 203 mm long barrel, blade foresight and a flip rearsight with an aperture set for 50 meters and another for 150 meters and a notch set for 100 meters.
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The Sola Super was a Luxembourgeois blowback operated selective fire sub-machine-gun first produced in 1954. The Sola Super was chambered for the 9 mm Parabellum cartridge which it took from a 32-round box magazine and fired at a cyclic rate of 550 rounds per minute with a muzzle velocity of 396 meters per second. The Sola Super had an adjustable telescopic wire stock, 305 mm long barrel, blade foresight and a flip rearsight with an aperture set for 50 meters and another for 150 meters and a notch set for 100 meters. The Sola Super was a failure, but some were used in Africa and South America.
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The Spectre M-4 is an Italian double-action sub-machine-gun first produced in 1983. It is chambered for the 9 mm Parabellum cartridge which it takes from a four-stack 50-round box magazine and fires at a selectable rate of single shots or 850 rounds-per-minute automatic with a muzzle velocity of 400 meters per second.
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The St Etienne 07/16 machine-gun was a disastrous French machine-gun produced from 1907 to 1918. It was designed as a modification of an earlier design, but was a catastrophe in mechanism which resulted in it frequently jamming, so much so that the French army shipped their entire batch to Africa during the Great War. the St Etienne was chambered for the 8 mm Lebel cartridge which it took from a 24 or 30-round metal strip and fired at a rate of 500 rounds per minute, which was adjustable by the gas cylinder.
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The Star Z-70 was a Spanish blowback operated sub-machine-gun introduced in 1970 following difficulties with the trigger mechanism of the Star Z62 sub-machine-gun, and adopted by the Spanish army and police force. The Star Z-70 was chambered for the 9 mm Parabellum cartridge, though some were produced in 9 mm Largo calibre, which it took from a 20-, 30- or 40-round box magazine and fired at a cyclic rate of 550 rounds per minute and a muzzle velocity of 380 meters per second.
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The Star Z-84 is a Spanish sub-machine-gun that in 1985 replaced earlier sub-machine-guns as the standard in the Spanish armed forces. The Z-84 is chambered for the 9 mm Parabellum cartridge which it takes from a 25- or 30-round magazine and fires at a rate of 600 rounds-per-minute and a muzzle velocity of 400 meters per second.
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The Star Z45 was a Spanish blowback operated, selective fire sub-machine-gun based on the Second World War German MP40 sub-machine-gun, but differing in having the cocking handle on the right and a protective perforated barrel jacket. The Star Z45 was chambered for the 9 mm Bergmann Bayard cartridge which it took from a 30-round box magazine and fired at a cyclic rate of 450 rounds per minute with a muzzle velocity of 381 meters per second and an effective range of 200 meters. The Star Z45 was produced in two models, one with a wooden stock, both having a 198 mm long barrel. Production started in 1944 with a view to selling the weapon to Germany. In 1948 the Star Z45 was adopted for use by the Spanish Army and was subsequently sold to Chile, Cuba, Portugal and Saudi Arabia, though only in small numbers.
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The Star Z62 was a Spanish blowback operated selective fire sub-machine-gun which replaced the Star Z45 as the standard sub-machine-gun in the Spanish armed forces during the late 1970's. The Star Z62 was chambered for the 9 mm Bergmann and 9 mm Parabellum cartridge which it took from a 20-, 30- or 40-round box magazine and fired at a cyclic rate of 550 rounds per minute with a muzzle velocity of 380 meters per second firing the Parabellum round. The Star Z62 had a folding stock based upon the Czechoslovakian Model 25 and a 201 mm long barrel. The Star Z62 had an effective range of 200 meters. The Star Z62 had a dual purpose trigger, the lower part of the trigger produced single-shots, while the upper half of the trigger produced full automatic fire. Problems with the dual purpose trigger led to the Ztar Z62 being replaced by the Star Z70/B with a conventional selector being used to select single shot or automatic fire.
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The Sten was a British blowback operated selective fire sub-machine-gun which went through a number of changes and variations from its development in 1941 until production ceased in 1945 by which time more than four million of various models (or marks) had been made. The Sten took a 9 mm Parabellum round from a 32-round box (though generally only 30 rounds were loaded to reduce jamming) and had a cyclic rate of 550 rounds-per-minute and a muzzle velocity of 365 meters per second, except the silenced models (Mk IIS and Mk VI models) which had a muzzle velocity of 305 meters per second. All models had fixed sights set to 100 meters. The original Sten, the Mark I was made in very few numbers, the first and most prolific model was the Mark II which had a 197 mm long barrel, over two million of this model were made. The Mark III was a simplified model usually produced with a single tube stock, but other stocks could be supplied. The Mark V had a 198 mm long barrel and solid wooden stock and a pistol grip but was otherwise essentially a Mark II. The Sten Mark V remained as the standard sub-machine-gun in the British Army until it was replaced by the L2A3 ('Sterling') during the 1960's.
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The Sten Mk III was a simplified version of the British Second World War Sten sub-machine-gun.
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The Sten Mk IIS was a silenced version of the British Second World War Sten sub-machine-gun. The Sten Mk IIS had a shortened 91.4 mm long barrel and could only be fired in single-shot.
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The Sten Mk V was the last model of the British Sten sub-machine-gun range, and was effectively just an aesthetic enhancement of the original Sten sub-machine-gun.
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The Steyr AUG LMG is an Austrian light machine-gun. The Steyr AUG LMG is chambered for the 5.56 mm cartridge which is takes from a 30-round box magazine and fires with a muzzle velocity of 1000 meters per second at a cyclic rate of 680 rounds per minute.
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The Steyr AUG Para is an Austrian sub-machine-gun modified from the Steyr AUG assault rifle. The Steyr AUG Para is chambered for the 9 mm Parabellum cartridge fed from a 32-round box magazine and fires at a rate of 700 rounds-per-minute selectable single-shot or fully automatic with a muzzle velocity of 400 meters per second.
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The Steyr MPi69 is an Austrian blowback operated, selective fire, air-cooled sub-machine-gun resembling the Israeli Uzi sub-machine-gun, produced from the late 1960s. It is chambered for the 9 mm Parabellum round and is fed from a 25- or 32-round box magazine and has a cyclic rate of 550 rounds-per-minute selectable single shot or fully automatic and a muzzle velocity of 381 meters per second. The MPi69 has a sliding butt and is unusual in being cocked by the sling.
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The Steyr MPi81 is a variation of the Steyr MPi69 but with a conventional cocking handle and sling swivel.
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A sub-machine-gun is an automatic firearm commonly firing pistol ammunition intended for close-range combat.
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The Suomi M1931 was a Finnish blowback operated selective fire sub-machine-gun developed in 1931 and produced until 1944. The Suomi M1931 was very heavy, expensive to manufacture but very solid. It took a 9 mm Parabellum cartridge from a variety of magazines, usually a 50-round box magazine or a 71-round drum magazine. It had a cyclic rate of 900 rounds-per-minute and a muzzle velocity of 399 meters-per-second. The Suomi M1931 saw action with Scandinavian armies, the Swiss Army, in Poland and South America.
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The Suomi M1944 is a Finnish blowback operated sub-machine-gun based upon the Soviet PPS-43, the principal difference being that the Suomi M1944 fires the 9 mm Parabellum cartridge and is designed to accept the two standard magazines - box and drum - of the Suomi M1931 sub-machine-gun. The Suomi M1944 has a rate of fire of 650 rounds-per-minute, an effective range of 200 meters, and was produced from 1944 to 1945, remaining in service until at least 1980.
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