I have a KAC LPR upper KBI stamped Krieger barrel Mlok URX4 with ODG Mlok covers, Nightforce scope mount with ADI level top, Nighforce NSX Cerakoted ODG/Black 3.5x15x50mm ZS scope, Im looking for a KAC mod 2 14.5 non pinned or even a 16" upper with quality optic, Eotech etc.. Have too many SPR type rifles want a shorter build