Madbull Black Python ll 6.03mm Tight Bore Barrel - 363mm Material_Fabric 7mm round the real steel

7mm round the real steel fires

01~9999 Joule

Three additional outer compartments house more kit again

This is probably the highest rated nunchuck-style battery available with the smaller cell size

Approx 85mm long

Madbull Black Python ll 6.03mm Tight Bore Barrel - 363mm Material_Fabric 7mm round the real steelA precision 6. 03mm inner barrel from Madbull. The Black Python is a tried and tested inner barrel. By using a hard coating process, the barrel provides the smoothest inner barrel surface possible and and overall reinforced structure. Its also complete with a great looking black finish. Precision made in Hong Kong. Features a 6. 03mm inner diameter and total length of 363mm. Suitable for barrel lengths as found the M4A1, SR16 and SG551. Also suitable