Maple Leaf Crazy Jet Inner Barrel for GBB Rifles (Various Lengths) Length:310mm or 9-round burst

or 9-round burst

This will allow you to install 1913 style stocks  or adapter

They feed smoother than Hi-Caps due to their high tension internal spring

License: Kinetic™ Development Group logo and related brand names are trademarks of Kinetic™ Development Group in

regardless if you're running stock or r-hop

Maple Leaf Crazy Jet Inner Barrel for GBB Rifles (Various Lengths) Length:310mm or 9-round burstFeatures Brass alloy construction Designed to enhance accuracy Unique design provides a cushion of air around the BB after it leaves the barrel Inner Diameter: 6. 01 Compatibility: WE Tech, Western Arms, and Other Airsoft GBB Rifles Material: Brass, Metal Alloy Manufacturer: Maple Leaf