5KU CNC Aluminum 3.9 Middle Frame Type-1 for Marui Hi-Capa Airsoft ( GB-561 )

• CNC Aluminum construction
• Anodized matt finish
• SV marking
• Length 160mm approx.
• Improved hammer housing version, includes stainless steel sear, valve knocker and pin set
• Suitable for Marui Hi-capa gas blow back pistol

**Airsoft Replica for Toy and Airsoft Use Only