5KU Steel Hammer & Strut Set for Marui HI-CAPA GBB (Type B)

5KU Steel Hammer & Strut Set for Marui HI-CAPA GBB (Type B) Steel Construction For Replace the standard Hammer & Strut of airsoft pistol Suitable for Tokyo Marui Hi-Capa Series Airsoft Gas Blow Back GBB Pistol As always, upgrading GBB require necessary skill & technique, consult expertise if needed