Golden Eagle Metal Gearbox Complete Metal Lower Receiver - Black/Tan External Marker Upgrades Quick-change lid: The standard friction

Quick-change lid: The standard friction lid lets you quickly reload

The grip is textured to give the user a firm grip on the weapon

and unsurpassed performance

Matel Parts: Barrel Assembly & Cocking Tube

The new Dark Slate edition colors are designed to add some style to your setup

Golden Eagle Metal Gearbox Complete Metal Lower Receiver - Black/Tan External Marker Upgrades Quick-change lid: The standard frictionGolden Eagle metal gearbox complete metal lower receiver black and tan is a ready to install upgrade solution designed for airsoft players who want durability, power, and consistency in an M4 platform. This assembly combines a complete metal lower receiver with a full metal version 2 gearbox, offering a solid foundation for rebuilds, repairs, or performance focused projects. The receiver and gearbox are constructed from metal, with the gearbox shell