I was looking at Lebaron's site for Ruger 10/22. All target models said "Black matte alloy steel" Is that mean the receiver is made of steel alloy? I thought they are made of Aluminum alloys.
http://www.lebaron.ca/fall%202010%20pages/ruger_1022_rimfire.pdf
http://www.lebaron.ca/fall%202010%20pages/ruger_1022_rimfire.pdf