Madbull 6.03mm Black Python Ver.2 Tight Bore Barrel for AEG (363mm) Length-(mm)_840 Contain 6 Slots & each

Contain 6 Slots & each slot can store 8 Rounds of 6mm airsoft pellet w/ total 48rds Capacity

20mm Under rail accommodate lot of accessories like Forgrip or Flashlight

Suitable For SYSTEMA M4A1 Professional Training Weapon / Challenge Kit only (use with up to M130 cylinder only)

9Joules (13mm diameter & 11mm inner diameter)

Madbull 6.03mm Black Python Ver.2 Tight Bore Barrel for AEG (363mm) Length-(mm)_840 Contain 6 Slots & eachPrecision Barrel for M4 SR16 SG511 Electric 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 of improvements on the new Version 2 Black Python Tight Bore Series being made with a