The infamous spartan laser. It’s hard to use but the payout in damage is unmatched. Mainly used against vehicles, it is still good against infantry targets. This version I made is not quite anatomically correct and is how I perceived it in-game rather than through finding additional resources online.
For reference: http://halo.wikia.com/wiki/M6_Grindell/Galilean_Nonlinear_Rifle
Folded from a single uncut square made from the strip of paper created when you make a square with binder paper.