Check the listing for details. Bob Long Electronic Paintball Marker Maroon & Black with 689 Barrel. Color: Maroon & Black, Condition: Used. Listed at 450.00 USD. The Bob Long Electronic Paintball Marker in Maroon & Black marq-6 with a 689 Barrel is a high-quality, semi-automatic paintball marker designed for outdoor sports enthusiasts. With its electronic firing mode, this marker offers quick and precise shots for an exciting gaming experience. The maroon and black color scheme adds a unique and stylish touch to the overall design, making it a standout choice for players looking for both performance and aesthetics in their paintball marker.