Tippmann 98 Custom Platinum Series .68 Caliber Paintball Marker with ACT PowerPack Kit Kit includes a 9-ounce CO2 tank (CO2 not included) and a high-performance goggle with anti-fog lens. Split receiver design provides quick access to internal components for installation of upgrades and modifications Picatinny rail along the top of the marker makes it easy to add a carry handle, scopes and other mods Anti-Chop Technology (ACT) minimizes paint breakage Tippmanns proven inline bolt system