Gemtech Threaded Barrel Factory Sig 220 .45 ACP .578-28 TPI Out of stock. Check back later... Price: $273.42 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 609224345463Manufacturer: GemtechModel: 4345463Caliber: 45ACPCategory: PartsOtherBarrelsStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.