Oct 3, 2015 · Here is me shooting my K PDW with a .40 caliber MK9K: The K PDW is so much more compact than the full size and the UMP. The UMP certainly has more versatility, but …

Aug 31, 2022 · A ump 40 suppressed with 180gr subsonics I loaded up was much louder than any gun with 9mm subsonic suppressed. I stopped even bothering to suppress my ump 40 …

Dec 29, 2024 · The problem was worse during auto fire but still happened on semi auto as well. Clamps work well with 9mm MP5s, not so well with UMPs. The weight of 60 rounds of .40 …

Mar 19, 2013 · Quoted: Having used both at work, I as well as my coworkers, I prefer the ump.. While the mp5, is smoother, and quieter suppressed, the umps how's less recoil caliber for …

Dec 12, 2018 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.

Jun 12, 2012 · The promags are for the USC I think. There IS a difference, although USC mags will work with the UMP lower (which a lot of people are using with their USC uppers) there is a …

Jun 22, 2021 · B&T would be your only option or wait until HK starts making them. I waited for some lightly used PD Advanced Armament Defender in 40 to hit gunbroker. I picked one up a …

Mar 20, 2019 · I picked up a German H&K UMP .40 barrel, Bostic modified bolt, and three mags for $450 on Gunbroker. A few months later I also got a German UMP .45 barrel there for $250. …

Feb 15, 2021 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.

The UMP is a blowback-operated, magazine-fed, shoulder-fired submachine gun firing from a closed bolt. As originally designed, the UMP is chambered for larger cartridges than the MP5. …