Because Neves is a police supply store. And Glock sells LE/Mil Glocks to LE Dealers at a lower price than they sell them commercial Glocks.
And if people want to bitch and whine about not being able to get LE/Mil pricing, two things...
#1. You had a choice in jobs/careers. Glock is taking care of those that take care of you.
#2. Glock also extends LE/Mil pricing to GSSF (Glock Sport Shooting Foundation) members.