The Dart Zone MK-3 Pro Series Blaster, our first motorized, pro-flywheel blaster features both semi-auto and full-auto fire with up to 150 FPS! Seamlessly alter your attack during battle by moving between modes with a simple switch. Use the rev-trigger to start the motors and fire our new high-performing Dart Zone Pro 2.0 Pro Darts. This one-of-a-kind blaster features an extendable shoulder stock and a digital scope to give you first-rate firing precision. (Recommended for outdoor play of the most experienced Nerf, this blaster can and will leave marks!)