Aero AR15 BAR Barrel Nut Assembly Available to order on-line. Ships in 5-14 days Price: $40.00 Description Details Reviews Shipping info UPC: 815421025446Manufacturer: Aero PrecisionModel: APRH100268Category: PartsOtherMisc AR-15 PartsStock: Ships in 5-14 business days.Unit/Measure: EA This item may be shipped directly to your home address, unless you live in a restricted state.