M4 External Airsoft Barrel Extension - 100mm Long, 14mm- Thread, 19mm Diameter - Airsoft3D Color:Silver It basically converts the APS

It basically converts the APS 870 Airsoft Shotshell for airsoft grenade launcher use

The barrel extension and replacement tip are not included

22 Pellet PCP)

- Rogue One: A Star Wars Story (First appearance)

1) BBTac M23 Airsoft Gun Mark23 Spring Airsoft Pistol

M4 External Airsoft Barrel Extension - 100mm Long, 14mm- Thread, 19mm Diameter - Airsoft3D Color:Silver It basically converts the APSAlign 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.