It can be used with various tracer units or just like that. Thread for the M4 airsoft guns series. This model is not a weapon or a spare part for it. Only for Airsoft usage.
| _1._Insert.stl | 7.0MB | |
| _2._Shell.stl | 49.3MB | |
| _3._Cap.stl | 29.7MB | |
| _4._Centering.stl | 1.3MB |
