Atlas Custom Works 5.1 Inch Aluminum Straight Fluted Outer Barrel for TM Hicapa M11 CW GBBP Style:blue Compatible with Tokyo Marui spec

Compatible with Tokyo Marui spec M4 AEG magazines

Note that for proper installation

Top-notch automatical pre-cocking

ALUMINUM CONSTRUCTED FLUTED OUTER BARREL AND BOLT

AdjustableGearbox Specifications:Aluminum alloy gearbox shell8mm metal bushingsSintered steel 18:1 gear setPlastic delayer chip for optimized Full-Auto cyclingAluminum cylinderPolycarbonate tappet platePolycarbonate pistonHigh compression polycarbonate piston headHigh compression polycarbonate cylinder headPolycarbonate lightweight nozzleQuick-change spring guide

Atlas Custom Works 5.1 Inch Aluminum Straight Fluted Outer Barrel for TM Hicapa M11 CW GBBP Style:blue Compatible with Tokyo Marui specSpecifications Brand: Atlas Custom Works Construction: Aluminum Compatibility: TM Spec Hi Capas Barrel Length: 125mm Style: Straight Fluted Color: Blue Features Made from lightweight aluminum alloy Designed for Tokyo Marui but will fit most Hi Capa GBB Pistols M11 CW internal thread for silencer adapter