Swap Crucible & Hammer
See Developer Console Basics before proceeding.
Swap Crucible -> Hammer
removeinventoryitem weapon/player/crucible give weapon/player/hammer
Swap Hammer -> Crucible
removeinventoryitem weapon/player/hammer give weapon/player/crucible
You cannot give yourself the Sentinel Hammer from Horde Mode.
While it is a separate weapon file, it will not save if you enter a menu.
Full Crucible Charges
There are no known commands that restore Sentinel Hammer or Blood Punch charges.