CRITERION 10.5″ CHROME LINED .223 WYLDE BARREL WITH 1:8 TWIST by Michael Souza | Nov 21, 2019 CRITERION BARREL, 10.5″, CHROME LINED, .223 WYLDE CHAMBER, 1:8 TWIST, 1/2X28 THEADS, HAND LAPPED, DUTY/PRECISION BARREL.