Proof BARREL, BOLT, 223REM, 26 LENGTH, 7 TWIST, 4 GROOVE, 5/8-24 THREAD, SS, COMPETITION, ZERMATT ORIGIN DROP IN Out of stock. Check back later... $649.00 MSRP Price: $579.00 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 843068121504Manufacturer: Proof ResearchModel: 121504Caliber: 223 WYLDECategory: PartsOtherBarrelsStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.