Models
Toy Gun 3D Printable Models. Makeshape.co have 2 Toy Gun 3D Printable Models.
Red Dots for USP toy gun (ACRO and Leupold)
Thingiverse
Cioropel
Free
Tiny Toy Blaster V2 (6mm Airsoft Toy Gun) No Glue, No Fasteners: Just Rubber Bands and Prints
Makerworld
CorePrinterUser
Free