Introducing the FN AR-15 premium button rifled barrels, meticulously forged from domestically sourced chrome moly vanadium as per Mil-B-11595E standards. Every barrel undergoes stringent high pressure testing (HPT) and magnetic particle inspection (MPI) to ensure flawless, micro-stress-free performance. The presence of a chrome-lined bore and chamber effectively thwarts corrosion and heat erosion, paving the way for an extended barrel lifespan and steadfast chambering/extraction reliability. The incorporation of M4 style feed ramps and a barrel extension guarantees uniform feeding, while the matte black manganese phosphate finish acts as a safeguard against external corrosion and oxidation.

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