- FOR SYSTEMA M4- Include: SYSTEMA MK4 Barrel Nut- Aluminum alloy CNC machining- Anodizing- Exactly copy genuine parts- All the chamfering signatures and sizes, all the tool marks, and bore hole signatures are fully restoredManufacturer : Zpart
P.S.: for Airsoft knowledge exchange in All airsoft fans. our company Not reply any question in Airsoft Q&A ! Ask this product Knowledge
Write Review
