This softair Grenade Launcher fits on the CA M15A4 R.I.S and M15A4 S.P.C. The Grenade Launcher can be loaded with 40 mm shells.

For the assembly you need the following assembly rings:
M15A4 R.I.S and S.P.C

Model: CA Grenade Launcher R.I.S M203 short
System: shot appliance for 40 mm shells
Material: ABS + metal parts
Weight: 1.243 gramms
Overall length: 310 mm