RetroArms Empty CNC Aluminum Split GearBox Shell for Ver.2 M4 / M16 Series Electric Rifles

Empty Split GearBox Shell
for Electric Rifles with Gearbox Version 2 (M4, M16, AR-15, etc.) with Standard Tokyo Marui
CNC Aluminum Material DURAL AW 7075 T651
The shell divided into two parts (upper and lower) allows a simpler and faster installation and setup of the internal parts
Produced with CNC Machinery
RetroArms brand
Spring Guide Quick Release System
Lightweight but Extremely Durable (590MPa)
8mm bushings (NOT INCLUDED)
Spring guide and screws INCLUDED
Weight 142g (shells only)

NOT COMPATIBLE WITH MAXX CYLINDER HEADS