Explore the world of 5.56 NATO with premium firearm components from Arm or Ally, featuring renowned brands such as Faxon, Ballistic Advantage, Aero Precision, and Rosco Manufacturing. Our collection is meticulously curated to bring you top-tier performance and reliability in the popular 5.56 NATO caliber.

With a commitment to excellence, Faxon, Ballistic Advantage, Aero Precision, and Rosco Manufacturing deliver firearm components that meet and exceed industry standards. Whether you’re building a new AR-15 or upgrading your existing rifle, our 5.56 NATO parts ensure precision, accuracy, and durability in every shot.

Faxon, Ballistic Advantage, Aero Precision, and Rosco Manufacturing are recognized for their craftsmanship and innovation, making them trusted choices for firearm enthusiasts and professionals alike. Experience the reliability and performance that these brands bring to the 5.56 NATO platform.

At Arm or Ally, we strive to provide a comprehensive selection of premium firearm components, and our 5.56 NATO collection is no exception. Explore the possibilities, customize your AR-15 build, and enjoy the superior quality and functionality of Faxon, Ballistic Advantage, Aero Precision, and Rosco Manufacturing components in 5.56 NATO.