We currently have in stock two barrel lengths for the AR-9 9mm platform
Gen4 4″ 9mm 5″ Lightweight M-Lok Railed Upper – With BCG & CH
Barrel: 4″ chrome moly vanadium steel barrel. Chambered in 9mm (9×19), with a 1/10 twist rate. The barrel is nitride treated for durability and […]





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