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 90 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.