disassembly Mp9 B&T problem Piston head & spring loading

disassembly Mp9 B&T problem Piston head & spring loading nozzle hancur

#disassembly #Mp9 #problem #Piston #spring #loading

“B-gank”

Problems that are often found in Gbb brand ksc units when they have not been used/played for a long time. piston head is always scratched/broken.

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