Yankee Hill Manufacturing lower. Purchased and assembled in 2012. Bravo Company Machining upper 16” mid-length, lightweight, chrome lined barrel. Includes BMC Gunfighter charging handle, Magpul MOE Carbine collapsible stock, MOE handguards, MOE Grip with insert to hold batteries (AA and AAA), Magpul sling, MBUS rear sight, Magpul BAD bolt catch extender. Includes a bipod which attaches to the included picatinny rail on the handguards. And a soft case from UTG. Also includes nine 30 round PMAG magazines with window in black, OD green and FDE. All this for $950 cash. EOTech 517 holo sight is an extra $300. The sight is co-witnessed with the iron sights. Pictures: http://imgur.com/a/FqKjm Its been a good firearm, no misfires, no misfeeds. Just works. Unfortunately I’ve not shot it enough to justify keeping it around. Less than 500 rounds through it. Cleaned after every range session.