T4E TB Paintball Shotgun .68 CalThe T4E TB 68 shotgun provides a new level of power and maneuverability in a magazine fed marker platform. The compact HDB is powered by a single 12 gram CO2 cartridge housed in the grip and pierced via the Quick Pierce charging mechanism. This allows the marker to be stored with ammo in the magazine and CO2 ready to go at a moment's notice. The internal magazine holds 16 rounds of . 68 caliber rubber, paint, or dust ball ammo. Fantastic as a