M4 External Airsoft Barrel Extension - 100mm Long, 14mm- Thread, 19mm Diameter - Airsoft3D

Align your muzzle devices perfectly to the airsoft inner barrel with our custom length, lightweight extensions. Our external barrel extensions are available at 1mm increments, allowing you to mount your muzzle device at a precise length. Airsoft3D build custom barrel extensions to desired length. Specify exact length at 1mm increments. Contact us with what you need.This lightweight external barrel can help you reduce the weight of your airsoft gun. Replace your removable heavy, metal steel barrel extension with Airsoft3D lightweight barrel extension. Our light-weight extensions are available in various colors.Installation note: This barrel extension is made out of plastic and is intended for lightweight load like Airsoft3D lightweight plastic compensator. If you intend to install a heavy or long compensator, you may need to coat the barrel extension with a strong epoxy. You'll also want to glue the tip nut to the compensator, so that the thread doesn't break off due to weight--especial