I've got them on one of my my umarex 1911's there held on but the screws one side and by magnets on the other. I was told later that I could of used a umarex smith and wesson grip plate but never got round to seeing if I could get it done. Can't work out how to post photos so here a link to mine
http://umarexboysclubforum.myfinefor...bout13938.html