Receiver shell upgrade for JM Gen.8 M4A1. Made from nylon so it is tougher and can take more abuse than the normal stock JM Gen.8 M4A1 shell.Set comes with :-Receiver shell and dust cover-Pistol Grip-Charging Handle + return spring-Top Rail-Set of screwsComes in Black and Sand(Tan) color.*There migh..
This is a 3D printed kit so it's not perfect. However, you can improve the surface with some sanding and spraying.Include only:- 3D printed handguardDOES NOT include:- Outer barrel- Muzzle- Blaster/ Internal / Buttstock/ Sight / Scope/ Magazine..