Angstadt Arms AR-15 Threaded Barrel 9mm Luger 4.5" 1/2x28 BlaCK
Angstadt Arms AR-15 Threaded Barrel 9mm Luger 4.5" 1/2x28 BlaCK, A 4.5a ^2 9mm lightweight profile barrel made from 4150 chrome-moly steel with a 1-10" twist rate and 1/2A-28 thread pitch. Pairs perfectly with Angstadt Arms' 4a ^2 ultra light handguard.
Made from 4150 chrome-moly steel and finished with Melonite
Chambered in 9mm NATO
Lightweight profile
4.5a ^2 long
1/2A-28 thread
1-10" twist rate
9mm barrel extension