ar15 upper blueprint needed
i am trying to get a upper blueprint with dimensions or to scale so i can do a solid model of all parts assembled in autodesk inventor. don't own any guns but would love to some day. preferred in .dwg format but will take any format i can get.
this fellow has the solid models for download http://www.cncgunsmithing.com/downloads.html
i need something like this but for the upper receiver