The USC or Universal Self-loading Carbine is a semi-automatic variant of the UMP designed for civilian use. All three versions of the weapon can be cross-converted to any of the round chamberings via replacing the bolt, barrel, and magazine. The UMP is interchangeable between three different calibres:Īpart from the different chambering, all versions feature the same design model, the exterior differences being the curved magazine used on the UMP9, while both the UMP40 and UMP45 each use a straight magazine. Customs and Border Protection officers carrying UMPs Vertical foregrips can be attached to the bottom rail for better control during burst and automatic fire. It can mount four Picatinny rails (one on top of the receiver, and one on the right, left, and the bottom of the handguard) for mounting accessories such as optical sights, tactical lights, or laser sights. The iron sights consists of an aperture rear sight and a front ring with a vertical post. When the last round of the UMP is fired, the bolt locks open, and can be released via a catch on the left side. It features a side-folding buttstock to reduce its length during transport. The UMP is available in four trigger group configurations, featuring different combinations of semi-automatic, 2-round burst, fully automatic, and safe settings. Its predominantly polymer construction reduces both its weight and the number of parts susceptible to corrosion. The UMP9 (the 9×19mm version of the UMP) is almost 0.2 kilograms (0.44 lb) lighter than the MP5. To mitigate excessive recoil, Heckler & Koch designed the UMP to have a cyclic rate of fire of around 600 (☑00) rounds per minute, though the rate of fire increases if (+ P) ammunition is used. A larger cartridge produces more recoil, and makes it harder to control in fully automatic firing.
40 S&W) than other submachine guns, to provide more stopping power against unarmoured targets, with slightly lower effectiveness at longer ranges. Īs originally designed, the UMP is chambered for larger cartridges (. However, the simple blowback design of the UMP makes it less controllable than the MP5. The closed bolt increases the weapon's accuracy, which is particularly desirable in a law enforcement context. The UMP is a blowback-operated, magazine-fed submachine gun firing from a closed bolt. Design details Ī Heckler & Koch MP5A5 (from top), MP5A4 and UMP9, on display at a Navy armory exhibition Despite the UMP's improvements and reduced cost, it did not replace the MP5, which ended up outselling the UMP. 45 ACP, a round which was popular in the United States, but not in Europe. It was designed primarily for use by American military and law enforcement units, as the MP5 was not available in. The UMP first entered production in 2000. The UMP was designed in the 1990s by Heckler & Koch (H&K), as a cheaper, lighter alternative to the MP5, which made heavy use of polymers. 45 ACP were officially purchased by the 5th Special Forces Group of the United States Army Special Forces, with some of the weapons seeing limited service in the early years of the Iraqi insurgency, making them among the small number of submachine guns deployed by the U.S. The UMP has been adopted for use by various countries including Brazil, Canada, and the United States. Heckler & Koch developed the UMP as a lighter and cheaper successor to the MP5, though both remain in production. The Heckler & Koch UMP ( Universale Maschinenpistole, German for "Universal Machine Pistol") is a submachine gun developed and manufactured by Heckler & Koch. 10-round detachable straight box magazine ( USC).25-round detachable straight box magazine ( UMP45).30-round detachable straight box magazine ( UMP40).30-round detachable curved box magazine ( UMP9).Heckler & Koch UMP45 equipped with a KAC vertical foregrip
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