M170 Magnum MechBox Available Models: M16A1/A2 SR16/M4 MP5A4/SD5 G3A3/SG1 Special Order Only!! Email or Call for Details $330.00   M100 Turbo MechBox Available Models: M16A1/A2 SR16/M4 MP5A4/SD5 G3A3/SG1 Special Order Only!! Email or Call for Details $290.00   M120 Complete MechBox Available Models: M16A1/A2 SR16/M4 M4RIS,Carbine MP5 G3A3/SG1 Special Order Only!! Email or Call for Details $250.00