G&P 13 Inch Triangle Pattern Aluminum Outer Barrel

G&P have released four new Aluminum outer barrels for the Tokyo Marui M4/M16 aeg series. There are two different version. An 8 inch barrel and a 13 inch outer barrel. Each length either has a drilled triangular pattern or a non drilled version so make sure you know which one you want! This is the Regular 13 inch barrel version with the triangular drills!