INTERNAL UPGRADE
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X Factor Piston 01 - Half Teeth
Model#: MB-XF-P01 -
X Factor Piston 02 - Full Teeth
Model#: MB-XF-P02 -
Blaze Orange Nylon Fiber Piston - Full Teeth
Model#: MB-PISTON-PX02 -
Barrel Nut Washer
Model#: MB-BNW
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Madbull Penpal Silicon Oil
Model#: MB-PENPAL-OIL -
Ver. 2 Black Python 500mm Tight Bore Barrel - M16 / M249 / AUG
Model#: MB-BP499V2 -
Madbull Teflon Cylinder - Full
Model#: MB-TC-Full -
Madbull Teflon Cylinder for Marui Next Generation - Full
Model#: MB-TC-M-Full
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Madbull Teflon Cylinder for Marui Next Generation - 3/4
Model#: MB-TC-M-3/4 -
Madbull Teflon Cylinder - 3/4
Model#: MB-TC-3/4 -
Standard Cylinder Set For AK 47/47S
Model#: MB-UCS-S-08 -
Standard Cylinder Set For CAR-15
Model#: MB-UCS-S-03