Independent AR-15 upper receiver education.
AR15 Uppers exists to make upper receiver research easier. The site focuses on plain-English explainers, comparison guides, compatibility notes, and parts education for readers planning AR-15 builds or upgrades.
Editorial approach
We prioritize helpful, accurate, and practical content. Articles should explain what a part does, when it matters, what compatibility details readers should check, and where AR15Parts.com has relevant parts to compare.
Compliance note
Content is educational only. Readers are responsible for following applicable federal, state, and local laws, plus manufacturer instructions and safety guidance.