SIG Sauer P320
SIG Sauer P320 is a modular semi-automatic pistol made by SIG Sauer, Inc., the company’s American branch. It is a further development of the SIG Sauer P250, utilizing a striker-fired mechanism in lieu of a double action only hammer system.
The Sig Sauer P320 can be chambered in 9×19mm Parabellum, .357 SIG, .40 S&W, and .45 ACP, and can be easily converted from one caliber to another; a change from .357 SIG to .40 S&W requires only a barrel change; a change between 9mm to .357 SIG or .40 S&W and vice versa are accomplished using a caliber exchange kit.
The Sig Sauer P320 chambered in 9×19mm Parabellum was introduced in the North American market on 15 January 2014, followed by the .45 ACP compact model at the SHOT Show in January 2015.[2] On 19 January 2017, it was announced that a customized version of the SIG Sauer P320 had won the United States Army‘s XM17 Modular Handgun System competition. The full-sized model will be known as the M17 and the carry-sized model will be known as the M18
Ammo & Accessories
Specifications | |
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Mass | 833 g (29.4 oz) P320 Full Size (incl. magazine) 737 g (26.0 oz) P320 Carry (incl. magazine) 737 g (26.0 oz) P320 Compact (incl. magazine) 708 g (25.0 oz) P320 Subcompact (incl. magazine) |
Length | 203 mm (8.0 in) P320 Full Size 183 mm (7.2 in) P320 Carry 183 mm (7.2 in) P320 Compact 170 mm (6.7 in) P320 Subcompact |
Barrel length | 120 mm (4.7 in) P320 Full Size 98 mm (3.9 in) P320 Carry 98 mm (3.9 in) P320 Compact 91 mm (3.6 in) P320 Subcompact |
Width | 35.5 mm (1.4 in) P320 Full Size 35.5 mm (1.4 in) P320 Carry 35.5 mm (1.4 in) P320 Compact 33 mm (1.3 in) P320 Subcompact |
Height | 140 mm (5.5 in) P320 Full Size 140 mm (5.5 in) P320 Carry 131 mm (5.2 in) P320 Compact 119 mm (4.7 in) P320 Subcompact |
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Caliber | 9×19mm Parabellum .357 SIG .40 S&W .45 ACP |
Action | Short recoil operated, locked breech SIG Sauer System |
Muzzle velocity | 1198 ft/s (365 m/s) |
Feed system | P320 Full Size and P320 Full Size RX models:
Tacops Full: Range: 250 meters
Carry:
Tacops Carry:
Compact:
RX Compact:
Subcompact:
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Sights | Fixed iron sights, front—blade, rear—notch, with optional tritium night inserts, Optical Reflex sight on RX models, high sights on RX and Tacops models |
SIG Sauer P320
Several sister companies that design and manufacture firearms use the brand name SIG Sauer [ɛs iː ɡeː ˈzaʊ̯ɐ]. The original company, Schweizerische Waggon-Fabrik (SWF), later Schweizerische Industrie-Gesellschaft (SIG), went through several selloffs, leaving the SIG Sauer brand spread over several companies. The original SIG is now known as SIG Combibloc Group and no longer has any firearms business.
- The German company was SIG Sauer GmbH & Co. KG. It was formed in 1976 as a partnership between Schweizerische Industrie Gesellschaft (SIG) of Switzerland and J.P. Sauer & Sohn of Germany.
- The Swiss company is Sig Sauer AG. Its predecessor SIG Arms AG was sold to L&O Holding in western Germany and was first renamed SAN Swiss Arms AG, commonly known as Swiss Arms, and in late 2019 was further renamed SIG Sauer AG.
- The American company is SIG Sauer, Inc. Its predecessor SIGARMS was founded in Virginia in 1985 to import and distribute SIG Sauer firearms into the United States: Its headquarters were moved to New Hampshire in 1990. This company was renamed SIG Sauer, Inc. in 2007, and since 2000 is organizationally separate from SIG Sauer GmbH.
The parent company is L&O Holding. It is the parent company of the German SIG Sauer GmbH & Co. KG, the Swiss SIG Sauer AG, and the American SIG Sauer, Inc.
History
1853: Schweizerische Waggon-Fabrik (SWF) is created
The origins of the SIG Sauer company lie in the company named Schweizerische Waggon-Fabrik (“Swiss Wagon Factory”), which was founded in 1853 by Friedrich Peyer im Hof (1817–1900), Heinrich Moser (1805–1874) and Johann Conrad Neher (1818–1877).
The group pooled their engineering talents and created the Prelaz-Burnand rifle, known as the “Prélaz-Burnand 1859” or “Prelaz-Burnand 1860” rifle. The invention of this rifle is credited to gunsmith Jean-Louis Joseph Prélaz and army officer Edouard Burnand.
The rifle was submitted to an 1860 competition by Switzerland’s Federal Ministry of Defence. It won and in 1864 the company was awarded a contract to produce 30,000 Prelaz-Burnand rifles, adopted as the M1863.
1864: SWF changes to Schweizerische Industrie-Gesellschaft (SIG)
Upon receiving the 1864 government contract to produce rifles, the company name was changed to Schweizerische Industrie-Gesellschaft (SIG, German for “Swiss Industrial Company”), known as Société Industrielle Suisse in French-speaking regions of Switzerland, reflecting the new emphasis on their production.
The SIG P210 pistol was developed in 1947 based on the French Modèle 1935 pistol (the Petter-Browning design was licensed). It was adopted by the Swiss military in 1949 as the “Pistole 49”. This single-action semi-automatic P210 brought SIG much acclaim, due to the precision manufacturing processes employed in its manufacture and its resultant accuracy and reliability.
The P210 frame design incorporates external rails that fit closely with the slide, thus eliminating play in the mechanism during firing. The P210 was noted for its extreme accuracy. The Petter-Browning patent which was a refinement of the Browning Hi-Power (P35) which was John Moses Browning‘s last design which was created for the French 1935 pistol, but not adopted.
Swiss law limits the ability of Swiss companies to export firearms. Swiss companies which wish to do this have to do so by using a foreign partner. So in the 1970s SIG purchased both Hämmerli[12] and J. P. Sauer and Sohn, which resulted in the formation of SIG Sauer.
1976: SIG creates SIG Sauer GmbH
SIG Sauer’s line of handguns began in 1975 with the SIG Sauer SIG P220. It was initially developed by SIG and produced and distributed by J.P. Sauer & Sohn, but in 1976 SIG bought J.P. Sauer & Sohn and the resultant company was called SIG Sauer GmbH, based in Germany.
Prior to World War II, Sauer had been primarily a maker of shotguns and hunting rifles. During the war, they produced a handgun, the Sauer 38H, but afterwards had withdrawn from this market. With SIG as their partner/owner, Sauer returned to the business of manufacturing handguns.
Their Sauer 38H had been produced in competition with other German makers such as Mauser and Walther at a time when new designs began to feature a double/single-action trigger. This double-action trigger mechanism, combined with advanced safety features including the hammer-lowering decocking lever, was incorporated by Sauer into the new P220 design.
New Design
This new P220 design was derived from the Petter-Browning design and was created in response to a Swiss military and police requirement for a handgun to replace the P210. This new P220 design should properly be called the SIG Sauer System, which was, in fact, the labeling on one of the first SIG Sauer handguns, a modified SIG Sauer P220 design produced for the Browning Arms company in 1977. On the right side of the slide are the words “SIG Sauer System”. This was the first SIG Sauer P220 type sold in the US.
At this point there were three entities:
- SIG, a company based in Switzerland.
- The firearms division of SIG, based in Switzerland.
- A subsidiary of SIG called SIG Sauer GmbH, a firearms company based in Germany.
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