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Posted: 2/14/2024 5:52:42 PM EDT
Does anyone know if the finish on the USP slides has remained the same over the years? Or have there been changes made to the finish over time?
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Posted: 2/14/2024 8:26:16 PM EDT
[#1]
There are at least three different finishes on the stainless models.
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Posted: 2/14/2024 8:28:59 PM EDT
[#2]
Quote HistoryOriginally Posted By VaregoSix: There are at least three different finishes on the stainless models. Interesting. I’ll be honest I know next to nothing about the stainless slide USP’s. Been feeling the urge to pick up a black (nitride?) 9mm USP or USPc. |
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Posted: 2/14/2024 8:51:00 PM EDT
[Last Edit: Gamma762]
[#3]
HK has used plasma nitride for a long time, all the (non-stainless) USPs are finished in that. Somewhere on youtube was a video from an HK factory that had a brief view of a rack of slides coming out of the plasma furnace. Unlike the salt bath processes there's essentially no additional steps after they come out of the plasma process.
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Posted: 2/14/2024 8:56:58 PM EDT
[Last Edit: stiglitz_actual]
[#4]
Quote HistoryOriginally Posted By RJH1911: Interesting. I’ll be honest I know next to nothing about the stainless slide USP’s. Been feeling the urge to pick up a black (nitride?) 9mm USP or USPc. The black models are carbon ordnance steel with the HK "hostile environment" finish on top which is essentially a nitriding/meloniting process The stainless slides aren't coated, they're actual stainless steel  Attached FileThere are variations over time, you can see them here https://www.hkpro.com/threads/hk-usp-stainless-steel-slides.345754/#post-2574538  |
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Posted: 2/14/2024 8:57:09 PM EDT
[Last Edit: stiglitz_actual]
[#5]
ETA double tap, have some more USPs
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