Steel Forward Assist for KSC M4 GBB
Item No:AR-20 Price:USD$15.00
 Steel Forward Assist for KSC M4 GBB Ver.2@
Item No:AR-21 Price:USD$16.00
 Charging Handle for KSC M4 GBB
Item No:AR-22 Price:USD$24.00
 Steel Trigger for KSC M4 GBB
Item No:AR-23 Price:USD$24.00
 Steel Magazine Release for KSC M4 GBB
Item No:AR-24 Price:USD$24.00
 Steel Selector for KSC M4 GBB
Item No:AR-25 Price:USD$24.00
 Trigger Guard for MARUI/KSC/KJ M4 GBB
Item No:AR-26 Price:USD$10.00
 Tactical Charging Handle Latch for KSC M4 GBB @
Item No:AR-27 Price:USD$10.00
 Tactical Charging Handle for KSC M4 GBB
Item No:AR-28 Price:USD$35.00
 Recoil Buffer for KSC/VFC/WE M4 GBB (2018 New Version)
Item No:AR-40 Price:USD$24.00
 Recoil Buffer for KSC/VFC/WE M4 GBB Fixed Buttstock (2018 New Version)
Item No:AR-42 Price:USD$30.00
 Enhanced Recoil/Hammer Spring with Sear Pin (no.66) For KSC MK23
Item No:FTK-02 Price:USD$24.00
 HOP-UP Bucking for KSC M4A1 GBB (Ver.1)
Item No:GB-01-01 Price:USD$3.00
 HOP-UP Bucking for KSC/KWA MAGPUL LM4 GBB (Ver.2)
Item No:GB-01-03 Price:USD$3.00
 Steel HOP-UP Round for KSC M4A1 GBB (Ver.1)
Item No:GB-01-04 Price:USD$18.00
 Enhanced Firing Pin For KSC M4A1 
Item No:GB-01-05 Price:USD$15.00
 Steel HOP-UP Kit for KSC M4A1 GBB  
Item No:GB-01-06 Price:USD$24.00
 Aluminum Outer Barrel for KSC M4A1 GBB
Item No:M16-14 Price:USD$60.00
 Steel Outer Barrel for KSC M4A1 GBB@
Item No:M16-15 Price:USD$75.00
 Aluminum Outer Barrel for KSC M16-A2/A3/A4 GBB@
Item No:M16-16 Price:USD$80.00
 Steel Outer Barrel for KSC M16-A2/A3/A4 GBB
Item No:M16-17 Price:USD$84.00
 Steel Parts Kits for KSC M4 GBB
Item No:SPK-01 Price:USD$110.00
 Steel Parts Kits for KSC M4 GBB VER.2
Item No:SPK-02 Price:USD$110.00
 6.02mm Interchange Barrel for KSC M4 GBB Series (Ver.1/250 mm)
Item No:TN-21 Price:USD$30.00
 6.02mm KSC M4 GBBK (Ver.1/300mm)
Item No:TN-22 Price:USD$36.00
 6.02mm Interchange Barrel for KSC M4 GBB Series (Ver.1/370 mm)
Item No:TN-23 Price:USD$36.00
 6.02mm Interchange Barrel for KSC M4 GBB Series (Ver.1/500 mm)
Item No:TN-24 Price:USD$45.00