Buy AR 15 Upper Kits, Parts, & Complete Uppers Online

The modular design of the AR 15 platform is one of its greatest attributes, and the ability to build your rifle with quality parts from Red Barn Armory saves you money and offers an amount of customization that you just can’t get any other way.

Whether you’re looking for an AR 15 upper parts kit, an AR 15 complete upper receiver assembly, or individual upper parts, Red Barn Armory has a great selection from top manufacturers including:

  • RBA
  • Radical Firearms
  • DPMS
  • Core 15
  • Spike’s Tactical
  • Aero Precision
  • Magpul
  • Troy
  • Diamondhead
  • Yankee Hill
  • Rainier Arms and more

There is literally no end to the options at your disposal, and with FREE shipping on qualified orders over $99, you’re poised to save even more when you shop at Red Barn Armory.