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Angstadt Arms AR-15 9mm 16″ Barrel – Black
Angstadt Arms Barrel9MM16″Threaded 1/28x28Fits AR PlatformMelonite FinishBlackFeatures:Made from 4150 chrome-moly steel and finished with MeloniteChambered in 9mm NATOLightweight profile16 long1/2×28 thread1-10 twist rate9mm barrel extension