Is designed to be completely modular. The FX-9 upholds extreme reliability with a wide range of ammo including many hollow point designs for self defense and full metal jacket. The FX-9 is machined from billet material, anodized type III aluminum components while steel components are full hard nitride and Nickel boron nitirded on the barrel, bolt, ejector, last round hold open, feed ramp and extractor for extended wear properties and corrosion resistance.
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