5.56 Complete Uppers

Grab a high quality 5.56 complete upper and experience high performance at a great price! 5.56 NATO is the perfect caliber for self-defense, plinking, and varmint hunting due to its ammo availability, reliability, and low recoil. Our 5.56 uppers come with everything you need to start shooting including a BCG, rear or side charging handle, upper receiver, and barrel. All our rear and side charging 5.56 uppers are compatible with mil-spec AR-15 lowers. Shop 5.56 complete upper receivers from Bear Creek Arsenal today and hit the range soon! And if you want to customize your upper even further, check out our quality selection of 5.56 barrels to give your build a unique touch.

View as

Items 1 to 15 of 85 total

  • Position
  • Product Name
  • Price
  • Quantity
  • Barrel Length
  • Profile
  • Classification
  • Stock Status Flag
  • 6
  • 9
  • 12
  • 15
  • 18
per page


"Carving out a niche in the competitive firearms industry, BCA offers an attractive blend of quality, variety, affordability, and exceptional customer service. This unique mix has resulted in a robust customer base that respects Bear Creek not only as a firearms manufacturer but as a trustworthy and reliable brand."


-Unrivaled Craftsmanship and Affordability: Exploring Bear Creek Arsenal’s Impact on the Firearms Industry

Copyright © 2024 Bear Creek Arsenal, LLC. All Rights Reserved.