weapon idea

[khadgar567]

Upon looking some wiki's and reading soulforged prestige class I created this weapon and need help to tune it for regular games. Here is weapon deteils

artificer's power fist
good old power fist or power claw(jet fist from Leziad and Eiji-kun's( in Dnd wiki(http://dnd-wiki.org/wiki/Jet_Fist_(3.5e_Equipment))) item with integrated repeater pistol) additional and/or 1d8 from pistol("people wants to point blank shot for gibs kills")

please help by any comment you can give