E&C URG-I MK16 M-LOK 9.5'' M4 AEG - BLK

Features:

• Gisele style Super Modular Rail M-LOK 9.5'' rail system
• Matte finish full metal receiver
• Rotary hop up system
• Deep-engraved realistic full trades
• Enhanced metal gearbox with 8mm bearing bushing
• Standard Ver. 2 gearbox with quick spring change design. Spring can be changed within 10 mins without disassembly
• 300 rds Hi-cap magazine included