Putting in the thinner back strap returns the grip dimensions to that of an ordinary Gen3 product, even though installing the thicker backstrap provides an extra 0.08 inches of grip circumference for shooters with greater hands. In spite of how the grip is configured, the grip angle remains the same. https://buyaglockonline81234.bloggazzo.com/32005001/not-known-factual-statements-about-glock