Criterion CORE Mid-Length Barrel
Best overall AR-15 barrel for a 13.9 to 16 inch mid-length 5.56 build
- +Hand-lapped chrome-lined bore holds sub-MOA with match ammunition while surviving high round counts
- +.223 Wylde chamber feeds both 5.56 NATO and .223 Remington without accuracy loss
- +Extended .750 inch gas journal is pre-dimpled, making gas block alignment foolproof on a builder upper
- −Mid-tier pricing sits above budget options like the Faxon Pencil
- −Chrome lining trades absolute precision for service life versus a stainless SPR barrel
- −Inventory is inconsistent during high demand







