The UMP was originally designed for larger cartridges such as the .40 S&W and .45 ACP, to provide more stopping power against unarmoured targets, with slightly lower effectiveness at longer ranges. A larger cartridge produces more recoil and makes it …

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 UMP is available as a semi-automatic or fully automatic submachine gun. Individual trigger group combinations can easily be realised due to the modular grip design. MIL-STD-1913 Picatinny rails at 3, 6, 9 and 12 o'clock provide ample mounting space for the use of tactical deployment aids.

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Feb 1, 1999 · They have created the first and only true modern production .45 caliber submachine gun that competes head to head with the abilities of the famous 9mm MP5. While doing this they made sure that it was better, lighter, less expensive, more user friendly and far less complicated than the treasured MP5.

Jan 17, 2025 · My UMP is in .45 but I've been considering converting in to 9mm lately mainly just so that I can use a three lug barrel. It'd be nice to be able to quickly swap my can between my GHM9, MP5, and UMP all without having to change out any mounts on the suppressor.

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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.

Dec 12, 2024 · The HK UMP-45 is a select-fire submachine gun, meaning it can be set to fire in either semi-automatic or fully automatic modes. It’s built on a durable steel receiver with a polymer stock and forend, making it lightweight and easy to handle.

Mar 6, 2020 · The MP5 was and remains an extremely popular SMG, but it has never been made in .45 caliber, and that was seen as a popular option in the United States. The UMP was designed as a thoroughly modern gun with polymer upper and lower assemblies and a …