E&C EC-301 금속 M4A1 14.5 인치 AEG
This M4-A1 airsoft gun is made of metal, designed for easy spring replacement and adjustable hop-up. It supports upgrades and operates at 380 FPS.
- The description claims the system allows for quick disassembly and easy spring replacement within 60 seconds.
- The description claims the structure is robust, made of full-metal upper and lower receivers.
- The description claims the hop-up is adjustable.
- The description claims the gun can operate at 380 FPS without needing adjustments.