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Posted: 1/17/2024 10:50:49 PM EDT
Reading up on it. Considering it for my USP40.
Does anyone here have any practical experience with it? |
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Posted: 1/19/2024 12:52:51 PM EDT
[#1]
Would be awesome if HK made a USP 10mm.
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Posted: 1/19/2024 1:13:32 PM EDT
[#2]
Quote HistoryOriginally Posted By RSF45: Would be awesome if HK made a USP 10mm. Yes it would. However you can do a conversion for now. Just curious if anyone on here has done it. |
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Posted: 1/19/2024 1:16:00 PM EDT
[Last Edit: stiglitz_actual]
[#3]
I have a .40 with an aftermarket 10mm barrel from a run Michaels Machines did some years ago
It's a nice shooter, I've run everything up to 1700fps underwood xtreme penetrators without issue Unless you're a big 10mm user and really want a 10mm USP, I'd go with a USP45T and run .45super through it The .40 conversion Requires a barrel change, stronger recoil spring(s), widening the magwell, and HK45 mags Getting mags to feed reliably took work - the feed lips need to be tweaked to keep rounds from nosing up  I have another one in the works  |
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Posted: 1/19/2024 1:19:32 PM EDT
[#4]
I’m very interested in this.
Several (like 6-7) years ago, I really wanted one. I looked into it and didn’t find anything. I then sold all my 45s, and the ammo and went all in 9mm, 10mm and 357 magnum as pistol rounds. I also discovered the 45 super and how the HK 45 caliber pistols could easily handle 45 super. Check out the ballistics between 45 super and 10mm. I’d still do this if available. Just a couple of thoughts. |
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Posted: 1/19/2024 1:45:58 PM EDT
[Last Edit: NachoDip]
[#5]
Quote HistoryOriginally Posted By stiglitz_actual: I have a .40 with an aftermarket 10mm barrel from a run Michaels Machines did some years ago It's a nice shooter, I've run everything up to 1700fps underwood xtreme penetrators without issue Unless you're a big 10mm user and really want a 10mm USP, I'd go with a USP45T and run .45super through it The .40 conversion Requires a barrel change, stronger recoil spring(s), widening the magwell, and HK45 mags Getting mags to feed reliably took work - the feed lips need to be tweaked to keep rounds from nosing up https://i.imgur.com/mLYRKyH.jpg I have another one in the works https://i.imgur.com/slqDJ91.jpg I have two USP45’s and both are already loaded with 45Super. I talked with Michaels Machine and he still has some of the USP 40 to 10mm barrels available. I did drop a 2011 style mag into the gun and it just looks like it needs a spot milled into it for the catch. I was also reading that HK45 10rd mags also fit well. I have an idea to make mags work and it involves cutting up some old steel beretta or Jericho 10rd mags to slim the feed lips and hold the 10mm correctly. What magwell work did you have to do to get it to fit? This would be the potential host. 
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Posted: 1/19/2024 2:37:07 PM EDT
[#6]
Quote HistoryOriginally Posted By NachoDip: I have two USP45’s and both are already loaded with 45Super. I talked with Michaels Machine and he still has some of the USP 40 to 10mm barrels available. I did drop a 2011 style mag into the gun and it just looks like it needs a spot milled into it for the catch. I was also reading that HK45 10rd mags also fit well. I have an idea to make mags work and it involves cutting up some old steel beretta or Jericho 10rd mags to slim the feed lips and hold the 10mm correctly. What magwell work did you have to do to get it to fit? This would be the potential host. https://www.ar15.com/media/mediaFiles/77421/IMG_2445-3099633.jpg For HK45 mags, to get them to seat and drop free, I had to remove about .5mm of material from the front and rear of the magwell with a file The mags can be setup with various floorplates depending on desired look with-or-without the jetfunnel. I have +3 .45 extensions which give a total of 18+1 10mm I forgot about the 2011 mags - they will work if you cut that mag catch, and your jetfunnel will cover up the overhang Stainless USPs are my favorite, and a .40 stainless is somewhat rare so I'd only recommend trying the 2011 mags |
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OH, USA
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Posted: 1/19/2024 4:12:16 PM EDT
[Last Edit: Millennial]
[#7]
Wouldn't a .40 Super conversion on a USP .45 pistol make the most sense if you wanted to sling 10mm buulets very fast?
Just a barrel and springs. |
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Posted: 1/19/2024 5:12:04 PM EDT
[#8]
Quote HistoryOriginally Posted By Millennial: Wouldn't a .40 Super conversion on a USP .45 pistol make the most sense if you wanted to sling 10mm buulets very fast? Just a barrel and springs. Yes it would be just barrels and springs. And brass. Very uncommon round. Better off with 10mm. Capacity would also suffer |
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USA
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Posted: 1/19/2024 6:55:56 PM EDT
[Last Edit: JT5544]
[#9]
I have one built on a usp 40.
Bored the stock chamber to 10mm auto specs. Uses hk45 (not usp 45) mags with the elephant foot base pad. Hkpro has several older threads on the different ways to do this conversion. |
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Posted: 1/19/2024 10:25:14 PM EDT
[#10]
How much is the MM 10mm barrel?
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Posted: 1/19/2024 11:19:02 PM EDT
[#11]
Quote HistoryOriginally Posted By Steamedliver: How much is the MM 10mm barrel? 280ish |
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Posted: 1/20/2024 7:47:10 PM EDT
[#12]
back when the USP .40 police trade in guns were super cheap, I thought about buying one to do a 10mm conversion. I should have done that. If I find a really cheap one, I still might do the same, but otherwise I'll stick with .45 Super as previously suggested.
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Posted: 4/11/2024 11:25:42 PM EDT
[#13]
I picked up A MM 10mm kit today. Now to buy a USP
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Posted: 4/11/2024 11:42:11 PM EDT
[#14]
I’m still in the market for another 40SW USP.
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Posted: 4/13/2024 2:38:27 PM EDT
[#15]
Quote HistoryOriginally Posted By NachoDip: I’m still in the market for another 40SW USP. FYI I think Weapon Outfitters is going to have some police surplus ones for sale this week sometime. |
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Posted: 4/15/2024 9:50:41 PM EDT
[#16]
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USA
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Posted: 4/16/2024 6:24:03 PM EDT
[#17]
There is no reason to convert to 10mm. Just use 45 Super. My dangerous game area hiking guns are either a USP45 Expert (5.2" barrel) or USP45 Elite (6.0" barrel) loaded with 13 rounds of 255gr HC/Coated 45 Super.
Big medicine for bad things. |
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USA
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Posted: 4/16/2024 6:25:26 PM EDT
[#18]
Quote HistoryOriginally Posted By NachoDip: I’m still in the market for another 40SW USP. I was fondling mine over the weekend and lamenting the Spring weather. The USP40 FS is a little big t-shirt and shorts. Great gun especially when dolled up with my Match-Weight (Lara Croft) comp and jet-funnel. |
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Posted: 4/16/2024 7:31:48 PM EDT
[#19]
Quote HistoryOriginally Posted By GaryT1776: I was fondling mine over the weekend and lamenting the Spring weather. The USP40 FS is a little big t-shirt and shorts. Great gun especially when dolled up with my Match-Weight (Lara Croft) comp and jet-funnel. I want to find a 40 Elite. Just because. |
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USA
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Posted: 4/17/2024 9:48:02 AM EDT
[#20]
Quote HistoryOriginally Posted By NachoDip: I want to find a 40 Elite. Just because. That is all kinds of unicorn. 40 Expert ...unobtainum. 40 Elite ... well ... you're more likely to get a date with Anna Nicole Smith than find one. BTW: she's dead. |
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Posted: 4/17/2024 3:54:26 PM EDT
[#21]
Quote HistoryOriginally Posted By GaryT1776: That is all kinds of unicorn. 40 Expert ...unobtainum. 40 Elite ... well ... you're more likely to get a date with Anna Nicole Smith than find one. BTW: she's dead. Yeah I messed that up. I want a 40 Expert. I have a 9mm elite currently. |
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USA
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Posted: 4/17/2024 4:06:07 PM EDT
[#22]
Quote HistoryOriginally Posted By NachoDip: Yeah I messed that up. I want a 40 Expert. I have a 9mm elite currently. I have a 9mm Expert, 45 Expert, 45 Elite. I would like to have a 40 Expert to round out my "Expert Collection". The 9mm Expert is the most fun, but the 45 Expert is my "trail gun" and it is thoroughly comforting while in "dangerous predator" areas (loaded with 255gr HC 45 Super). |
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Posted: 4/17/2024 5:40:07 PM EDT
[#23]
Quote HistoryOriginally Posted By GaryT1776: There is no reason to convert to 10mm. Sure there is. I want to. I have other 10s, .45s and .45WM. |
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