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Discussion Starter · #1 ·
Hi,

I'm new to this forum, since I just bought my first HK. I was wondering if I could buy a .357 sig barrel for my USP compact .40 to shoot .357 sig. Can you do this?
 

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Yes, it is as simple as dropping in a new barrel. All the .357sig round is, is a necked down .40, so the .40 mags will work with the .357.. This same conversion can be done with Grocks and Sigs as well...
 

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For more info do a search. This comes up at least once a week and has been written about dozens if not hundreds of times.
 
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