Go here....
http://sigforum.com/eve/forums/a/frm/f/430601935
Join and ask Your 210 question...easier than me typing for ten minutes....and more informative. They are a close copy....but not the old original.
Still....for the money.....NICE. I'm At SHOT Show, I will take a look tomorrow at the SIG booth and post any updates on the P-210.