-适用于G&P M249 改装套件系列

包括:
-8mm Bearing Gearbox
-7mm Bearing
-8mm Bearing
-150% Spring
-Metal Cylinder
-Bearing Cylinder Head
-Nozzle
-Bearing Spring Guide
-Metal Piston
-Bearing Gears
-Tappet
-High Flux Electronic switch
-Trigger
-Safety Set
-Selector