https://grabcad.com/library/ruger-10-22-carbine-model-1103-stl-files-only-1
https://grabcad.com/library/ruger-10-22-carbine-model-1103-1
Published courtesy of original creator TeruTeru. Go and thank him for his great work
Step and IGS available
Original files converted to STL parts for technical needs, fixed and renamed.