Built my AR15

Finally got off my lazy ass and built my AR15.
Specs:

CMMG lower
Blackthorne parts kit
A3 Upper, M4 barrel, YHM clamp on gasblock with rail bottom and flip up front sight, carbine length quadrail forend, and Troy Industries Medieval Muzzle break with meat tenderizer front face
Rock River Arms 6 position stock with GG&G single point sling plate
Clamp on A2 rear sight
Barska ACOG wannbe optic
Magpul magazines

How do I post pics? I tried linking to my photobucket and it won't work.
http://s877.photobucket.com/albums/ab340/I_am_Thanatos/?action=view&current=100_0877.jpg

http://s877.photobucket.com/albums/ab340/I_am_Thanatos/? action=view&current=100_0876.jpg]100_0876.jpg picture by I_am_Thanatos - Photobucket

Thanks. I want to replace the rear sight with folding BUIS and replace the ACOG wannabe with a reflex sight like the one that I had on my last AR build. It was a different Barska but it had 4 different reticles and was the right height to cowitness the A2 sights.