Seems like a good deal, if not already done, might have to pin the brake yourself.  Add to cart then put state and zip code and it will be $349 total. 

 

http://avisdefense.com/index.php/16-ar15-223-5-56-complete-upper.html/

 

 

Never heard of them

Slickguns had a deal not too long ago for a complete AR upper (Hardened Arms) with a bull barrel for the same price.  another no-name company

Nice!  Heck i'll try it out...