I was looking through the Glock Annual magazine the other day, and I was suddenly stuck by the thought that for the first time Glock seems to be playing a little catch up to some of the other brands that are on the market. For years they have been the leader in all things polymer. If your gun was black, it was a Glock. Now the Smith and Wesson M&P, Springfield XD and others are competing heavily for your polymer dollars. The Generation 4...