No, you cannot. It is anathema. If you mod your Legendary Model M, you will be forever shunned. SHUNNNNNNNNNNUH!!
Eh, on second thought, go right ahead.
"Here's to the crazy ones, the misfits, the rebels, the troublemakers, the round pegs in the square holes... the ones who see things differently -- they're not fond of rules... You can quote them, disagree with them, glorify or vilify them, but the only thing you can't do is ignore them because they change things..."