Gen 8 Nylon Replacement Gearbox accessory-hop-up These are compatible with the

These are compatible with the Golden Eagle double stack variant pistols

This particular receiver is custom painted and we are only releasing 1 of 1 in this colour and cut combination

4V) to power the Wolverine Inferno FCU and a 3S or 4S (11

Velocity: 230-240 Feet Per Second (FPS)

this is the one you want

Gen 8 Nylon Replacement Gearbox accessory-hop-up These are compatible with theFully assembled and wired. Drop right in! Great nylon shell and a good start for an upgrade or just a spare box to drop in. Standard gears and internals safe to handle up to 1. 2mm spring and 270 fps as it is now. Full Nylon Gearbox for M4A1 Gen 8 Scar V2 MP5 V2 UMP45 JinMing Brand.