Stumbled across an interesting Hasbro patent and then went searching for more. Many appeared...
I'll pick out the ones I found the most interesting first but there are a bunch below.
A direct plunger style single shot blaster with see-through plunger
Nerf Raider Drum (interestingly shown in a Vulcan)
Nerf reverse plunger mechanism
Nerf Stampede, complete with 50 round drum
Turret rotating mechanism - ala Dart Tag blaster
Nerf Jolt
Nerf Big Bad Bow
Nerf Scout
Nerf Proton
Nerf Vortex Disc
Nerf Barrel Break
Nerf Switch Shot
Max Force blaster?
Nerf N-Force Shield
Nerf N-Force Axe
Nerf Firevision goggles?
SuperSoaker of some description
Different SuperSoaker
Nerf Speedload Six
Nerf Stampede Shield
Nerf Alpha Trooper
Nerf Spectre
Another SuperSoaker
Nerf Praxis
Edited to add more.
I'll pick out the ones I found the most interesting first but there are a bunch below.
A direct plunger style single shot blaster with see-through plunger
Nerf Raider Drum (interestingly shown in a Vulcan)
Nerf reverse plunger mechanism
Nerf Stampede, complete with 50 round drum
Turret rotating mechanism - ala Dart Tag blaster
Nerf Jolt
Nerf Big Bad Bow
Nerf Scout
Nerf Proton
Nerf Vortex Disc
Nerf Barrel Break
Nerf Switch Shot
Max Force blaster?
Nerf N-Force Shield
Nerf N-Force Axe
Nerf Firevision goggles?
SuperSoaker of some description
Different SuperSoaker
Nerf Speedload Six
Nerf Stampede Shield
Nerf Alpha Trooper
Nerf Spectre
Another SuperSoaker
Nerf Praxis
Edited to add more.