E&C US Marine M16A4 Full Metal AEG

This airsoft rifle delivers authentic military aesthetics with practical performance features. The deep-engraved FN marking mirrors the M16A2 standard, while the 10" outer barrel and solid M4 RIS rail provide tactical modularity. A matte finish full metal receiver ensures durability and a professional appearance. The rotary hop-up system enables precise shot consistency, while the enhanced metal gearbox with 8mm bearing bushings reduces wear and improves reliability. The Standard Ver. 2 gearbox incorporates quick spring change design—swap springs in under 10 minutes without full disassembly, making field maintenance straightforward and efficient.