The Empire Battle Tested BT-4 Combat Paintball Gun is a tough and compact woodsball powerhouse! The BT-4 Combat paintball marker has been a player favorite for years due to its durable aluminum clamshell construction and reliable inline blowback system. The BT-4 Combat requires little maintenance and is simple to operate, making it ideal for beginner players. The ingenious feed neck design quickly slides forward to let you run a pull through squeegee from the breech to quickly clean broken paint from the barrel. The BT-4 Combat marker accepts a wide range of tactical and performance upgrades, making it extremely customizable!