Like Larry Vicker's photograph, it applied the total-length Glock 47 slide along with the Glock 19 frame. It differs from Vickers' photograph in which the slide is Lower for your MOS optics choice. The model is sold exclusively through TALO Distributors, and Glock does not give to provide it https://webnowmedia.com/story3620204/glock-nation-no-further-a-mystery