5KU Type 2 STI Style Skinny Magazine Base For Tokyo Marui Hi Capa GBB (Blue)

Key Feature CNC Aluminum Construction Airsoft Magazine Base (Durable Anodized Finish) Type 2 Design For Protects the magazine when it falls during magazine changes, Prevents damage to the magazine upon impact with the ground. Engraved "STI" Marking Suitable For Tokyo Marui Hi-Capa 5.1/ 4.3 Gas Blow Back GBB Airsoft Pistol