CRITERION BARREL, 16″ LENGTH, .223 WYLDE CHAMBER, CHROME LINED BORE AND CHAMBER, DIMPLED GAS BLOCK, 1:8 TWIST, 1/2X28 THREADS, AND MID LENGTH GAS SYSTEM.
CRITERION BARREL, 16″ LENGTH, .223 WYLDE CHAMBER, CHROME LINED BORE AND CHAMBER, DIMPLED GAS BLOCK, 1:8 TWIST, 1/2X28 THREADS, AND MID LENGTH GAS SYSTEM.