UK1/HOG/YAK EBB Upper Gearbox Combination (M100 ， Full Steel Piston)

UK1/HOG/YAK EBB Upper Gearbox Combination (M100 ， Full Steel Piston)
UK1/HOG/YAK EBB Upper Gearbox Combination (M100 ， Full Steel Piston)
UK1/HOG/YAK EBB Upper Gearbox Combination (M100 ， Full Steel Piston)
Article code:  MA-471
MA-471
Features:
UK1/HOG/YAK EBB Upper Gearbox Combination (M100 ， Full Steel Piston)
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Compatibility:For ICS UK1 / HOG / YAK Series Airsoft EBB
Material:Zinc Alloy