Colt post ban lower with ArmaLite 2nd generation National Match 3.5 lb trigger and DPMS adjustable base tactical grip. DPMS hi top upper with Wilson parkerized S.S. freefloated bull barrel with 1/8 twist, Weaver 3x9 tacticalscope, and new copletely chromed bolt/carrier assembly. 40" long closed cell one inch thick foam padded assault case with 2-9 rd and a 20 rd Colt mags. Very accurate. Hate to give it up. Over $1,600 invested. Will let go for $1,350 shipped to FFL or will trade for a SP1 original carbine. Please let me know.