Knockout XX-100 blaster packs high-intensity Nerf Rival power in a compact size that's great for fast-moving games and stealthy surprises Has a spring-action mechanism for hand-powered blasting (no batteries required) and a trigger lock to prevent accidental firing Integrated storage area lets you keep rounds within easy reach to reload fast 85 FPS -- Fire rounds as a velocity of 85 feet per second with Nerf Rival accuracy from this breech load blaster Blast into Nerf Rival competitions with this compact powerhouse to knock out the competition! The Knockout XX-100 blaster packs high-intensity Nerf Rival power in a small size. Fire off rounds at 85 feet per second from this spring-action, single-shot blaster that's great for games that move fast and keep you on the run. Playing in a small area? The breech-load Knockout XX-100 is ideal for close spaces and stealth attacks. It has built-in round storage and comes with 2 Official Nerf Rival Rounds. Trigger lock prevents it from firing accidently. Load 1 round, prime, and pull the trigger to fire. Available in Team Red and Team Blue colors. Hand-powered (no batteries required). Nerf and all related properties are trademarks of Hasbro. Ages 14 and up For use with Nerf Rival products only.