Howdy, have an essentially new colt socom with a Property of us govt lower (very minor storage marks) with a matching authentic m4 uid with correct part and cage numbers. Round count is 0 except for colt factory test shot. Comes with brand new aimpoint Advanced Carbine Optic and OD green magpul furniture. Colt F marked front sight post as well as original (2013) C P marked colt 556 1/7 barrel. Bcg is stamped MPI and still has some factory grease. Original 4 position cqb colt buffer tube (light age color fading). Entire rifle was manufactured in 2013 with the exception of the lower being a new 2018 colt govt prop lower. Great collectors gun. Lower itself frequently sells for $800+ so asking price for the entire kit is $1500. Not currently accepting trades. Please text : 469-420-08seven two.