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Details of Angstadt Arms AR-15 Threaded Barrel 9mm Luger 16" 1/2x36 Black
A 16a ^2 9mm medium profile barrel made from 4140 chrome-moly steel with a 1-10" twist rate. Made from 4150 chrome-moly steel and finished with MeloniteChambered in 9mm NATO16a ^2 long1/2A-36 thread1-10" twist rate9mm barrel extension