Description The BT TM-15 is an excellent choice for any woodsball or mil-sim paintball enthusiast. Its high performance body is strong, yet light enough in weight for all-day action. Equipped with features usually found on much more expensive markers, the BT TM-15 features a true electropneumatic operating system as well as reduced sound signature for stealth firing in any of the multiple firing modes. With the standard multiple Picatinny rails, accessory options are nearly endless. Internal airline operation eliminates external hoses. Plus, front and rear sights ensure you get your shot. Features: High Performance, Ultra Strong, Lightweight Magnesium Body. Bolt Out Back Design for Easy Cleaning and Maintenance. Modern Styling. True Electropneumatic Operating System. Shift-On-The-Fly, 4-Position Recreational Firing Mode Switch.