The Firearm Blog has review of this new pistol from Glock. USPSA is experimenting with Combat Optics division and if that becomes a real division, it would be interesting to see how this will do.
http://www.thefirearmblog.com/blog/2015/12/17/review-glock-40-gen4-10mm-long-slide-red-dot-big-bore-hand-cannon/
From: The Firearm Blog