PKJ,
The P3 and P4 pommels are threaded onto the tang. The blade tang end has the male thread and the pommel has a female threaded stud that protrudes on the underside and mates with the blade tang. The treads are Loc-Tited but the pommel can be unscrewed if need be.
Hope this helps.
Best Regards,
Paul Tsujimoto
Director of Engineering
Ontario Knife Company