The sniper rifle, energy sword, rocket launcher, beam rifle, spartan laser, and shotgun all have the potential to kill someone in one shot.
There are lots of strong guns, rocket launcher, spartan laser (probably the strongest), fuel rod gun, energy sword, gravity hammer and sniper and beam rifles.
In Halo 3 most Pelicans have Machine Gun Turrets.
no
i dont belive that you can in halo 3 i think it was exclusive only to halo 2.
its not a gun but the energy sword
no
Plasma Pistol, as it is in about all Halo games.
The 3 round burst gun from halo3.
You can't only on halo 2 and 3 you can
the ry3no
No, only Halo 3. Kinda stinks, but what can you do?
It's the same thing as the machine gun that you can pull of the ground in Halo 3. So probably yes.