Tack Pro seems to have some knockoff Rival-Hyper hybrid blasters. Both of them are springers and all images are from their official site (yes really). : r/Nerf
Nerf Pro Gelfire Legion – Hasbro Pulse
Nerf Fortnite Flare- Blaster | Toy Blasters & Soakers | Toys - Shop Your Navy Exchange - Official Site
Nerf Elite 2.0 Echo Elite Cs-10 Blaster | Toy Blasters & Soakers | Toys - Shop Your Navy Exchange - Official Site
Latest Nerf Blasters, Toys and Nerf Games – Hasbro
Nerf Elite 2.0 Eaglepoint RD-8 | Meijer
Amazon.com: NERF Elite Disruptor Dynamic Green Dart Blaster, Rotating Drum, Slam Fire, Kids Outdoor Toys for 8 Year Old Boys & Girls (Amazon Exclusive)
Amazon.com: NERF CS-18 N-Strike Elite Rapidstrike : Toys & Games