8mm Retro Arms LoPro Bushes scope battery Golden Eagle M4's

Golden Eagle M4's

Replace it with this temp hardened SHS switch block assembly

Almost 400 FPS coming out of a full metal blaster

8V making it feed faster

Rated Voltage - 8

8mm Retro Arms LoPro Bushes scope battery Golden Eagle M4'sThe Retro Arms low profile bushes are very sought after by gel blaster techs all over. These CNC steel bushes give the perfect stability and durability you search for when you begin your next gearbox upgrade. Good to Know These bushes also may lower the chance of you having to grind out sections of your gearbox to make gears sit in without being too tight. They sit flush inside your gearbox and give you a solid platform to begin your upgrades.