Nerf Combat Creatures TerraDrone(Discontinued by manufacturer) - Walmart.com
This Nerf Combat Blaster fires rounds at 100 feet per second: $30 at Amazon (Reg. $40+)
ArtStation - NERF: Battle Arena
Amazon.com: Nerf Bunkr Combat Carrier Case Under The Bed Storage for Nerf Blasters Foam Darts and Rounds - Perfect for Nerf Party Nerf War, Multicolor : Toys & Games