no it does not. but nice to know the HK45c does have a O-ring. where as before the USPc did not and only the USP tactical and mark23 where the ones with O-rings.
so HKs new .45s do... all variants.
but there 9mms and 40s do not.
so HKs new .45s do... all variants.
but there 9mms and 40s do not.

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