Howitzer Firing Mechanism

Howitzer firing mechanism is a quest item in Fallout: New Vegas.

Gameplay
It is a component used in howitzers. Specifically, the one located at The Fort, subject of the Caesar's Legion quest, I Hear You Knocking.

Location
It is found in the gun cabinet in the workshop of Nellis Air Force Base.

Related quest

 * I Hear You Knocking