Tippmann 98 Custom Platinum Series .68 Caliber Paintball Marker with ACT N/A Imported Easy-to-use semi-automatic marker that delivers reliable performance that can easily be upgraded 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