CMMG AR-15 BARREL 5.56MM 16.1" 55D470B

16.1" Lightweight barrel-1:7" Twist-5.56x45 NATO -.625" Gas Journal-Salt Bath Nitride finish-Comes w/ properly installed M4 barrel extension-All barrel sub-assemblies are properly headspaced AR-15 ACCESSORY: Y[br]CALIBER: 5.56X45MM (.223 REMINGTON)[br]FINISH: BLACK MATTE[br]LENGTH IN INCHES: 16.1000[br]SIGHTS: N[br]FLUTED: N[br]OTHER FEATURES: LIGHT TAPER PROFILE,[br]NITRIDED 4140CM,[br]1:7 TWIST,[br]MID-LENGTH GAS PORT,[br].625 GAS BLOCK SIZE[br]Dimension: 1.75 X 1.80 X 18.05[br]Height: 1.7500[br]Width: 1.8000[br]Length: 18.0500