Maple Leaf 6.04 Crazy Jet Inner Aerodynamic Barrel for Marui / Stark Arms / WE / KJW GBB Pistol (91mm) Category_Rifle Case It delivers >550 fps with

It delivers >550 fps with HFC22 gas without modification

Length: 99

Item Weight (gram) 120 Major Color Black Built Material Aluminum

Suitable for Marui / WE / KJW Series (and most  Marui / WE / KJW GBB Pistols

Weight: 78 g

Maple Leaf 6.04 Crazy Jet Inner Aerodynamic Barrel for Marui / Stark Arms / WE / KJW GBB Pistol (91mm) Category_Rifle Case It delivers >550 fps withSuitable for Marui GBB Pistols 91mm Length (M&P9 XDM GBB Pistol) 6. 04mm~ Inner Diameter Pressure diverting design, openings in stainless front sleeve divert high pressure gas, surrounds actual barrel opening to guide exiting BB along its flight path, resulting Copper Build Material < All Available Length >