CIA391's board-to-board with Topal the Pilot
From Halopedia, the Halo wiki
From Halopedia, the Halo wiki
Oh that. They are usually called Serial numbers.
But weapons have them now... :)
Leading to me needing to find a way to tell the difference between the two.
Change what you need to I dont mind. I made the page more as a easy access for me that I thought might be helpful to you all.
Weapon SN Link: http://www.halopedia.org/Weapon_Serial_Numbers