Just completed this an hour ago. It took me roughly an hour and a half from start to finish and turned out pretty well. I got the idea from this thread... http://glocktalk.com/forums/showthread.php?t=969401 It could have been a little nicer up front, but I was getting impatient. First step, smooth out the backstrap and finger grooves. I just flipped the tip around and used this to melt the plastic smooth. Finished product.