SIG Sauer MPX
| SIG Sauer MPX | |
|---|---|
SIG MPX
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| Type | Submachine gun |
| Place of origin | USA |
| Production history | |
| Manufacturer | SIG Sauer |
| Produced | 2013 |
| Variants |
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| Specifications | |
| Weight | 2.7 kg (6.1 lbs) |
| Length |
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| Barrel length | 114 mm (4.5 in) 165 mm (6.5 in) 203 mm (8 in) |
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| Cartridge | 9×19mm Parabellum |
| Action | Short-stroke gas-operated, closed bolt |
| Feed system | 20, 30-round detachable box magazine |
The SIG Sauer MPX is a gas-operated submachine gun primarily chambered in 9×19mm. It is the first submachine gun to feature a fully closed and rotating bolt and piston system. This is to enhance the safety of the user and make for a more reliable firearm. It was designed in 2013 and released to the general public in 2015. It features a SIG Sauer short stroke push-rod gas system to reduce recoil and improve the reliability of the weapon. The weapon, in its second generation, features a system that would allow for conversion from 9mm to .357 SIG or .40 S&W, however, since its inception, first party conversion kits have not been made available for either of the two production generations of the machine pistol.
SIG Sauer used the same gas piston system to develop the SIG Sauer MCX carbine.
The standard version of the MPX is the 9mm 8.0 inch (20.3 cm) version with a collapsible stock and free-floating rail. Barrel lengths vary from 4.5" to 16".
The standard MPX submachine gun comes with a rear and front flip-up sight that is attached to the integrated rail system on the top of the weapon. One available modification is a SIG reflex sight mounted to the rail instead of the flip-up sights.
The MPX has a gas short stroke piston system in order to increase the accuracy of the weapon which operates in closed bolt. It is designed in this way to prevent water or dirt from entering the chamber and causing malfunctions as well as to use a silencer with greater ease. It features an ambidextrous selector switch for fully automatic (law enforcement/military models) and semi-automatic. It also features an ambidextrous bolt catch, and the weapons exterior appears to be a cross between an AR-15 and a Heckler & Koch MP5A3. The barrel is free-floating and is surrounded by Polymer/Steel Rail mounts.
The charging handle of the weapon is based on the AR-15 design at the back of the weapon. This is to ensure that cocking the weapon does not interfere with any optics mounted onto the Picatinny rail. The weapon's rails are made out of cast steel and the standard weapon overall weighs 2.1 kg. The semi-automatic version of the weapon can be registered as a Short-Barreled Rifle in most states in the U.S.
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Wikipedia