This is the Gen4 Glock 19 “Summer ’17” Limited Edition that you’ve been hearing about.
It features front serrations for easier slide racking, as well as steel sights and extended controls.
Gen 4 models are currently unavailable for purchase in California except for certified law enforcement officers.
Firearms must be shipped via Fedex Overnight, to your selected FFL. This is a flat rate, $40 charge which includes insurance.