Paintball guns, also known as paintball markers, are the primary tools used in the sport of paintball. They propel small, round capsules filled with water-based paint at opponents during recreational or competitive gameplay. Paintball guns come in various designs and firing modes, catering to different playing styles and skill levels. The guns typically use compressed air or CO2 to launch the paintballs at velocities regulated for safety. Players often customize their paintball guns with accessories such as scopes, grips, and barrels to improve accuracy and performance. As the centerpiece of the paintball experience, paintball guns offer players the thrill of strategy, teamwork, and excitement on the field.

Safety is paramount when using paintball guns, and players must adhere to strict rules and guidelines to prevent injuries. Paintball guns should only be used on designated fields with proper safety protocols and protective gear, including masks and gloves, to shield against potential impacts. Whether played casually with friends or in organized tournaments, paintball guns provide an adrenaline-pumping and immersive experience that combines the thrill of competition with the camaraderie of team sports, making it a popular and engaging activity for players of all ages.