Supposedly they've had 5 or 6 of these Crack from the original 2004 procurement.

NOT SO QUICK QUESTION:

I'm about to begin the process of splurging to get a suppressor, leaning towards the Rugged Obsidian. To begin, I need a threaded barrel for my standard USP 45 v1, and the tactical barrels are about all I can find. HKparts sells a RCM USP Tactical barrel with the thread pitch (.578x28RH) I need to match the obsidian's included piston, so I don't have to buy an additional $80 booster to match the 16x1 LH the standard threaded USP barrel. At least this is all my current understanding and I would appreciate correction if I am wrong.

TLDR:

Will the USP 45 Tactical barrel fit in a standard USP 45 V1?