RetroArms CNC Gearbox Shell for SOPMOD M4 TM NGRS, 8 mm

The RetroArms gearbox shells made of CNC-machined aluminum are designed for Tokyo Marui SOPMOD M4 NGRS replicas and are ETU compatible. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• CNC-machined aluminum
• For 8 mm bearings/bushings
• ETU compatible

Specifications

• Weight: 116 g

Package Contents

• Gearbox shell
• Screws
• Spring guide
• Bearings/bushings not included