The HK UMP is freely configurable with regard to its features. The optional equipment portfolio ranges from the classic skeleton buttstock to the use of tactical helmet buttstock variants. The UMP is available as a semi-automatic or fully automatic submachine gun.

The HK UMP45 is a select-fire 2nd generation submachine gun that operates on a direct-blowback action. Its fire controls typically include safe, semi and full-auto but Heckler & Koch can throw in a 2 or 3 round burst function if you have the proper paperwork.

The Heckler & Koch UMP (Universale Maschinenpistole, German for "Universal Machine Pistol") is a submachine gun developed and manufactured by Heckler & Koch. Heckler & Koch developed the UMP as a lighter and cheaper successor to the MP5, though both remain in production. [4]

Feb 1, 1999 · Available by mid-1999 the UMP45, chambered for the ever-popular .45 ACP round, is truly a compilation of HK’s decades of worldwide experience with the MP5 and the prototype weapons described above.

Apr 1, 2015 · The UMP45 is a select fire sub-machine chambered in .45 ACP. It has two fire modes, semi-auto and full automatic. It comes with notch and post style sights, and a 25 round magazine.

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A compact, lightweight submachine gun, the 4.9 pound UMP45 is being offered for sale by HK Defense Inc. in the U.S. Simple yet highly capable, the UMP45 includes many of the same characteristics found on the UMP40 and UMP9 models.

Mar 6, 2020 · H&K introduced the UMP (universal machine pistol) in an effort to attract sales from American law enforcement by offering a modern submachine gun in .45 ACP and .40 S&W calibers.

Aug 16, 2023 · The HK UMP comes in three distinct variants - the UMP9, the UMP40 and the UMP45. Each UMP designation signifies the caliber of the cartridge. As such, the UMP is chambered to fire the 9x19mm Parabellum while the UMP40 is chambered for the .40 Smith & Wesson (.40 S&W). Likewise, the UMP45 is chambered to fire the .45 ACP cartridge.

The HK USC is a semi automatic, Universal Sporting Carbine for shooting enthusiasts who want the look of the original UMP-45 submachine guns and its unprecedented smooth shooting.