Krytac AEG M4 Trident Receiver Pin Set
Retro Arms AEG M4 CNC Receiver Body (Type D) - Black
Retro Arms AEG M4 CNC Skeletonized Receiver Body (Type C) - Black
Retro Arms AEG M4 CNC Skeletonized Receiver Body (Type D) - Black
Vega Force VFC AEG BCM QD End Plate (GG06-15)