Attention to every detail is what led Freedom Ordnance to deliver a pistol caliber carbine platform that is reliable, affordable and has a familiar set of operating controls for any AR-15 user. The FX-9 is billet machined aluminum with hardened steel QPQ nitride components for extended wear and corrosion resistance. FEATURES: Glock Style Magazine; Mil Spec Buffer Tube; Freefloat M-LOK Rail; Ar15 Platform Accessories ACCESSORIES: 1 Mag FINISH: BLACK