Gunsmith Question

[General Pain]

I have a player in my campaign who was wondering if it's possible to modify a
TDI Kriss Super V SMG to use a more penetrating round than .45 APC

http://thebigbookofwar.50megs.com/DO...achine%20Guns/
(scroll down on the link above)

I was thinking if it was possible to use the PAB-9 AP subsonic ammo (9x39mm)
http://thebigbookofwar.50megs.com/DO...pecial%20Guns/ - check out the VSK-94

U must offcourse change the whole barrel - and a lot more perhaps ....

any ideas?