spectre

Midway has them on-sale for $99 and I wanted to see if anyone had built one. For those who haven't heard of it: http://www.polymer80.com/Pistol-Frame_ep_60.html It's an 80% lower that is compatible with Glock 17/19/34,22,24,35 slides. I'm eager to build one up, but I want to make sure it's...