Sold Out Quick view ANGSTADT ARMS Angstadt Arms AR-15 Threaded Barrel 9mm Luger 6" 1/2x28 Black $108.00 A 6″ 9mm lightweight profile barrel made from 4150 chrome-moly steel with a 1-10” twist rate and 1/2×28 thread pitch. Pairs perfectly with Angstadt Arms' 5.5″ ultra light handguard. Made from 4150... Out of Stock Out of Stock