Gearbox

Echo1 Complete M4 Gearbox V2 Specifications: Model: ECHO M4 MB Manufactured by: ECHO1 USA Wired to the Front Package Includes: 1x Echo1 Complete M4 Gearbox V2

Features: Model: BRAVO GB 8MM v3 (B-00-02) Manufactured by: BRAVO Heat-treated Precision 8mm Bearing wells Standard Japanese 8mm Bearings 8x3x2.5mm Hard-Coated with Trivalent Chromium (Cr III) Gearbox features high impact tolerance, durability, and...

Gearbox features high impact tolerance, durability, and strength making it perfect for your super high-speed and super high-FPS set ups. Bravo V2 Gearbox Features: Matched Gearbox by Bravo Airsoft  Heat-treated Precision 8mm Bearing wells Standard...