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Madbull Black Python Tight Bore Barrel - M4A1/SR16




Madbull Black Python 363mm Tight Bore Barrel - M4A1 / SR16

Black Python is our experimental product. By using hard coating process, our barrel can provide the smoothest inner barrel surface and reinforced structure.
NOTE: The choice of B.B. will be very important. We will only ensure our barrel is 6.03mm diameter.

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