Madbull Black Python ll 6.03mm Tight Bore Barrel - 363mm Material_Fabric This is probably the highest

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

01~9999 Joule

Double action trigger like the real steel

Chrono unit support external power (Micro USB)

It is important to know what to expect before purchasing this pistol

Madbull Black Python ll 6.03mm Tight Bore Barrel - 363mm Material_Fabric This is probably the highestA 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