2020年10月21日 · Of course all UMP 10mm mags get opened up to take the 10mm cartridge. My understanding is that spine needs to be removed. Will be purchasing a .40 UMP mag soon if …

2012年10月28日 · I recall reading somewhere, that the longer length of the 10mm wouldn't fit the stock UMP-40 mags. The MP5 is/has been done in 10mm, and I like the platform a bit more …

2023年7月8日 · I had an extra HK factory UMP 40 barrel and bolt and I was thinking ... wonder if this can be converted to 10mm. So, I reached out to Wes at Black Ops Defense... SUPER …

2012年4月1日 · The UMP .40 mag isn't anywhere near deep enough for the longer 10mm round. I bought several .45 mags but the problem with THOSE is that the upper retention / feed lips are …

2023年4月27日 · Michael's Machines Kit for UMP/USC/TMP includes: (1) .357 Try-Lug Barrel and Pin, (1) complete Bolt Carrier with German internals, (1) Ejector and (1) 30 round mag. …

2019年11月6日 · Im 10mm is the extra cost of building a mp5k worth it over an ump. If I were to do the mp5k 10mm id build it off of a flat. If I were to do the ump id build it off of a omega 40 …

2019年7月30日 · Omega UMP in 10mm Jump to Latest 4K views 7 replies 6 participants last post by Atlantic Firearms.com

2007年6月7日 · The recoil doesn't bother me with the proper stance. Definitely don't want to hold it real loose. I think a UMP conversion would go a long way in improving the feel of it. But I …

2013年4月4日 · The 10mm would be "safer" than the necked down cartridges, but then the matter of the feed ramp comes into play. The sig should all fit in the 40S&W UMP magazine The …

2017年11月18日 · 40 Caliber bolt needed to be converted from UMP spec to be able to be used in this semi-auto Gideon receiver - $95.00 HK UMP lower, Navy model which had been …