I want to try my hand at building an AR in 300 blackout. Any recomendations on a "good how to book" or AR reference book is greatly appreciated. Thanks guys!

Not a book but here is an excellent link to show you how it's done. I still use it for a refrence.

Build your own AR-15

Terry

http://www.youtube.com/results?search_query=build+an+AR15

Go here and follow..... Good stuff..