40 caliber Paintball Gun. Shoots over 100 paintballs with only one 12 gram CO2 cartridge (not included). As Paintball improved and became popular, many infividuals tried their abilities at it: giving rise to the assortment and diversity of paintball tournaments and games.Played by two teams, where each team has a flag and the objective of both teams is to capture or seize the opponent's flag and carry it to your team's starting point Each team has to defend their base and simultaneously dispatch team player to eliminate the opponent and capture their flag.