Extra kevlar and health(if you're in a vehicle, this code will repair said vehicle): L,L,R,A,A,B,B,R
Desert Eagle Pistol: R, Up, B, Down, L, R,B,R
Taser: Right, up, A,Down, Left, Right, A, Right.
Chainsaw: Right, Up, Y, Down, left, Right, Right, Y, Right
Bazooka: Right, Up, X, Down...