Post By GuntherRommel
.45 magazine interchangeability
Will the 12rd mags of the USP .45 work in the USP Compact .45?
Will the USP .45 and HK .45 mags interchange?
Very Senior Member
Mark 23 mags work in a USP 45. You can swap back and forth using the appropriate floor plates.
HK45 mags fit in both HK45 and USP Compact 45. Won’t work the other way.
Thanks, I was hoping the 12rd USP mags would work in either Compact.
But the USP full size mags will work in the USP Compact?
Last edited by spentcase; 07-12-2020 at 03:10 PM.
HK45 10 rounders work in the HK45, HK45c and USPc (compact) .45
USP .45 mags work in the full size USP .45 only (maybe the MK23 with minor modification but I can’t speak authoritatively about the MK23)
USPc (compact) .45 mags work in it as well as the HK45c. and vice versa.
HK45c/USPc .45 elephant foot 10 rounders are just HK45 10 rounders with a different baseplate.
Hope that helps.
HKPRO PREMIUM PARTNER
Thanks Guys. This is a bit disappointing. I was really hoping that the USP 12rd mags would work in either the USPc or the 45c, or both.
And I'm actually surprised that they won't work in the USPc.
That's a great chart, thanks for that too!