Nerf Jolt REBORN! by T-MAN | Download free STL model | Printables.com
I mostly use my printers to build these. 3d printed nerf blasters. most of these files are on thingiverse. except the pistol. You'll have to buy the stl files for that one.
Nerf Elite Removable Stock by Waikikiprod | Download free STL model | Printables.com
STL file NERF Dart Gun・3D print design to download・Cults
3D model Blaster Nerf Low-poly 3D model VR / AR / low-poly | CGTrader
3D Printable Nerf Gun by Nick Iacobbo
nerf" 3D Models to Print - yeggi
STL file Nerf Bipod・Design to download and 3D print・Cults