Iron Desert Armory AdvantageIron Desert Armory identifies this exact NcSTAR item by SKU NSTARVTHAR10UVB and UPC 848754012654. Those catalog identifiers help distinguish this cleaning or maintenance configuration from similar kits, tools, brushes, rods, and consumables that may differ by caliber, bore size, included components, or intended task.OverviewThe listed configuration is the Ncstar AR-10 Upper Receiver Block. It is categorized as a gunsmithing tool from NcSTAR. The product name, feature list, and identifiers below describe this specific catalog item; compare them with the intended maintenance task, firearm, caliber or bore size, and required tools.Features Upper-receiver vise-block format AR-10/.308-pattern compatibility listing Designed for bench maintenance and assembly support Type: Upper receiver vise block Platform Listing: AR-10 / .308 pattern Ideal Use CasesSuitable for the cleaning, maintenance, bench, or field-service task named in the listing. Match any listed caliber, bore size, tool interface, included components, and material limitations to the firearm and maintenance job before use.Specifications Brand: NcSTAR SKU: NSTARVTHAR10UVB UPC: 848754012654 Manufacturer Part Number: VTHAR10UVB Compliance NotesUse only as directed by the manufacturer. Verify firearm and material compatibility, unload the firearm, remove ammunition from the work area, and follow the firearm manufacturer's maintenance and safety procedures.