This is my walking varmiter. Armalite lower, CMMG upper (fits perfect) 18" JP ultralight match barrel in .223 Wylde, and finned aluminum heat sink, Carbon fiber free float tube.Young Manufacturing N.M. bolt and carrier,two stage match trigger,YHM BUIS,Magpull and Burris 1-4x24 Fullfield tac 30.
Not exactly mil-spec. but shoots great!
[Linked Image from i947.photobucket.com]

JYD 139
"Timid men prefer the calm of despotism to the tempestuous sea of liberty",Thomas Jefferson