Fully licensed by Umbrella Corporation Weapons Research Group; Authentic licensed Umbrella Corporation trademarks on both sides of the receiver, true to its real rifle counterpart High quality aluminum alloy receiver with deep stamped roll marks Ultra slim M-LOK compatible CNC aluminum free float handguard Functional bolt stop hold open for easy hopup access Front and Rear folding iron sights Reinforced TM compatible Ver2 gearbox with electronic trigger and CYMA Quick Buffer System (QBS) for fast and easy spring changes Spacious stock adds full length of pull while allowing a large increase in battery storage space Neodymium magnet motor