This launcher is available in short and long versions. The Phantom Thunder Grenade Launcher is made out 100% metal. This unit is built to last and able to take all grenade shells. The unit can be mounted on any RIS 20mm or 7/8 weaver systems. To mount this grenade launcher on the T16, T68, RAP4 or any other paintball guns with a standard M4 handguard will require this 20mm Rail. Package comes with grenade launcher only For International Shipping or Expedited Shipping with UPS, please contact us at Support@PremierPaintballGuns.com and we can help you. Resources: Image(s): Phantom grenade launcher long