View Full Version : are hk usp barrels interchangable

06-19-2008, 10:39 PM
i would like to know if an hk usp 45 tactical barrel which is threaded and has an o ring would be interchangable with my standard hk usp 45 barrel.

i want to put the tactical barrel in the non tactical hk.

would i be able to do this safely?

Oldgold Buck
06-19-2008, 10:46 PM
email Hk and ask them.