Selling my LMT Monolithic MRP Upper with a 6mm ARC Noveske 12.5" Barrel. It is literally brand new with zero rounds through it. All items listed are included, not willing to part it out. LMT MRP Mono Upper Noveske 12.5 inch 6 ARC barrel done by D Wilson KAK down vent BCG Noveske Head Spaced Bolt Geissele Charging Handle Pinned Noveske gas block Six 15 round 6 ARC Mags 60 rounds of hornady black
