Echo 1 USA
MSRP
Your Price
Your Price
$34.95
Was
The Echo1 Version 2 Gearbox is a 7mm Gearbox for M4/M16/MP5 series airsoft rifles. This gearbox will fit most major brands from Tokyo Marui, JG, Echo1, AGM, G&G and more. This gearbox may require modification work to fit your airsoft gun.