E&C SMR MK8 M-LOK 9.5''M4 AEG BK

Geissele-inspired Super Modular Rail MK8 M-LOK 9.5" rail system engineered for precision airsoft performance. Features a matte finish full metal receiver with deep-engraved realistic trades for authentic aesthetics. The rotary hop-up system delivers consistent accuracy, while the enhanced metal gearbox with 8mm bearing bushings ensures durability under sustained fire. Standard Ver. 2 gearbox design enables quick spring changes in under 10 minutes without full disassembly—ideal for field adjustments and maintenance efficiency.