GP-GBX008A
-適用於G&P EBR MK14 MOD I 改裝套件系列
包括:
-7mm Bearing Gearbox
-7mm Bearing
-150% Spring
-Metal Cylinder
-Bearing Cylinder Head
-Nozzle
-Metal Spring Guide
-Metal Piston
-Bearing Gears
-Tappet
-High Flux Electronic switch
-Trigger
-Safety Set
-Selector