The licensed EMG F4 Defense F4-15 gets a closer scrutiny by Mystery Airsoft. The EMG The F4 Defense F4-15 AEG rifle is a high-quality airsoft gun with a machined aluminum receiver and handguard, featuring F4 Defense trademarks and a matte finish. It has ambidextrous 90-degree selector switches, a mock charging handle, and a functioning bolt-catch. It also comes with an EMG furniture, a 120rd mid-capacity Hex Magazine, a rotary-style hopup, and a 6.01mm fine-polished inner barrel. The gun has an 8mm bearing Ver.2 QD gearbox with an Acetech MOSFET trigger board and a high-torque motor.