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CMMG AR-15 300 Blackout 8” MT 4140CM 5/8×24 Barrel – Nitride
$146.30CMMG AR Rifle Barrel300 AAC Blackout8″ Barrel1:7TwistPistol Length Gas SystemNitrideFeatures:8.0″Medium Taper Profile4140 Chrome MolySalt Bath Nitride Finish inside and out1:7 Twist300 AAC Blackout ChamberThreaded 5/8-24Pistol length gas port.750 Gas Journal
