Introduction: K2-R
Very simple but very fancy looking.
Step 1: Pieces
Pieces.
Step 2: Even Out
This piece is to even out the handle.
Step 3: Handle
The handle or at least second one of the K2-R.
Step 4: Gunshot
The finishing touch is the random BIONICLE piece I got.
Step 5: Preview
Previews on Batman. You are now done!