REVOLUTIONARY NERF HYPER SYSTEM: Featuring Nerf Hyper rounds with an innovative design and material to deliver performance that maximizes capacity and speed PUMP-ACTION NERF HYPER SIEGE-50 BLASTER: Pump the slide to prime the blaster and press the trigger to fire at a velocity of up to 110 FPS (hand-powered priming – no batteries required) 40 NERF HYPER ROUNDS AND LARGE HOPPER WITH 50-ROUND CAPACITY: Blaster comes with 40 Nerf Hyper rounds. Large, easy-load hopper can hold up to 50 rounds (additional rounds sold separately) TACTICAL RAILS FOR RELOAD CANISTERS: Attach Nerf Hyper round reload canisters to the tactical rails to refill the hopper fast (canisters and additional rounds each sold separately) Pump the priming slide and press the trigger to fire 1 round, or fire all the rounds fast with slam-fire action! Includes trigger lock. Eyewear recommended (not included). TO AVOID EYE INJURY:WARNING: Do not aim at eyes or face. Use of eyewear for players and people within range.