This version of the famous Ed Brown beavertail has a 0.245 radius instead of 0.250, a wider neck at 0.314 instead of 0.308, and .002 extra stock per side. This extra stock allows for ultra-precise fit..
This innovative part allows you to grip the Glock handgun more aggressively by placing your hand higher up on the grip without fear of the slide "biting" the skin between your thumb and trigger finger..