How do u get the mini gun on gta sand adreas t

Question

the one find in the army base on the misson on u get the jetpack

Answer 1

use cheats: R1, R2, L1, R2, Left, Down, Right, Up, Left, Down, Right, Up Weapons 1

R1, R2, L1, R2, Left, Down, Right, Up, Left, Down, Down, Left Weapons 2

R1, R2, L1, R2, Left, Down, Right, Up, Left , Down, Down, Down Weapons 3. Left, Right, L1, L2, R1, R2, Up, Down, Left, Right Jetpack