Had a completely different experience at Gunstop last Saturday. Bought a 550 with a few of the trimmings. Even though they were a little busy he made sure I had everything needed to get started. He also took the time to show me a couple things (called it school) that I would need to pay attention to...

modern sportsman (in prior lake or on gunbroker)
Colt AR6720 AR15-A4 Tactical Carbine AR 15 6720

http://www.gunbroker.com/item/592327254

looks fun. I'm looking to replace my VP9 with a Glock 19 MOS :P Indeed, have had a 19 MOS for a couple weeks now and think it may be my new favorite. The old eyes are really appreciating the rmr and trijicon suppressor height sights for co-witness. Was surprised how fast thunderjohn @ southwest arm...

More likely that they have been really busy lately, not a bad thing overall but for you it obviously sucks.

I think these look pretty nice. http://www.shotlock.com and they aren't super expensive either. https://www.shotlock.com/images/Product/Handgun/HSV200E_Open_285.jpg I ordered one of the shotgun models off amazon for my son in law the other day. The pistol versions seem nice and well ...