This has been a fairly frequent question on this forum. The short answer is no. Magazine springs are designed to be in compression.
Here is a link to one such discussion.
http://www.defensivecarry.com/vbulletin/concealed-carry-issues-discussions/89135-mag-rotating.html
Here is a link to one such discussion.
http://www.defensivecarry.com/vbulletin/concealed-carry-issues-discussions/89135-mag-rotating.html