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CMMG AR-15 300 Blackout 16” MT 4140CM 5/8×24 Barrel – Nitride
$161.80CMMG Barrel300 AAC Blackout16.1″ Barrel1:7 TwistCarbine 4140 CrMo Salt Bath Nitride Finish5/8″-24 TPIFeatures:1:7 Twist 4140 Chrome moly5/8X24 thread pitchMedium taper profileCarbine length gas port .750 gas block Journal
