Madbull Black Python Ver. II 6.03mm Tight Bore Barrel (300mm - M733 / M1A1) reg_SB we have added a built-in

we have added a built-in calculator as well

2000 Rounds Drum Magazine Large thumb dial on bottom

Fit for AEG Inner EG Barrel Only

magazine catch and fire selector were designed to be ambidextrous operated

Madbull Black Python Ver. II 6.03mm Tight Bore Barrel (300mm - M733 / M1A1) reg_SB we have added a built-inMadbull Black Python Ver. II 6. 03mm Tight Bore Barrel (300mm M733 M1A1) Precision Barrel for M733 M1A1 Series Airsoft Electric Gun Rifle By using a hard coating process, MadBull Black Python barrels can provide the smoothest inner barrel surface and a reinforced structure High grade precision barrel at 6. 03mm diameter for extra power and accurate shooting What is difference between Ver 1 and Ver 2? Based on the feedback from users, MAGBULL did a lot