The Tippmann TMC features a 12.25″ Lightweight aluminum M-Lock handguard with picatinny rail. Complete with 16″ high performance barrel with muzzle breaker.. It is a great barrel for any Tippmann paintball gun. However, the Tippmann 98 Custom Platinum Series Barrel Thread is also a viable option for your paintball needs. That particular barrel is a .689″/15/32″ thread and it will provide your paintball gun and great and accurate shot.