Well there is assault rifles but not any sub machine guns that I know of.
There is no rocket launcher in Dead Rising, the most powerful gun is the real megabuster.
I used the machine gun but a sword also be quite good WARNING he is very hard! hope this helps :D
A dead Toad
The only purpose I have found for it is to buy guns from the gun shop.
It's at the end of the hallway you take to get to Carlito's hideout.
its in the unfinished shop in the north plaza, you find it when you go and do case 5-1
in the north plaza, when you exit carlitos hideout go straight to the west (left)
Jimi Hendrix recorded Machine Gun in 1970 with his band Band of Gypsys. The song was released as a single and came from the album also named Band of Gypsys.
light machine gun is the m249 a medium machine gun is the m240 and the heavy machine gun is the browning m2 50. cal machine gun
A sub-machine gun fires pistol cartridges. A machine gun fires rifle rounds.
machine gun position
I'm guessing you mean where do you get infinite ammo from in dead rising you have to go to the gun shop in the part of the mall that is under construction (you can get there from outside) then go threw keep to the right then the first hall you see there will be a sign go down the hall and you'll get in the gun shop kill Cletus and you can take guns when ever you want to.