The Ruger AR-15 Upper Receiver, Complete (Ruger part #91003) is a genuine Ruger factory upper receiver. It’s an assembled AR-15 upper receiver with the forward assist and ejection port cover already installed, ready for your barrel and handguard. Ruger builds these to its own standard for AR-15 pattern rifles, but with so many AR parts on the market Ruger can’t guarantee fit with every other maker’s components.
Key Features
- Assembled upper receiver, forward assist and dust cover installed
- Mil-spec style AR-15 pattern upper
- Genuine Ruger factory part
Specifications
| Type | Upper Receiver |
| Platform | AR-15 |
| Configuration | Complete / Assembled |
| Finish | Black |
| Ruger Part Number | 91003 |
| UPC | 736676910038 |
FAQ
Is this a genuine Ruger part?
Yes. This is a genuine Ruger factory part, Ruger part number 91003.
Where can I find more AR-15 uppers?
Browse AR-15 uppers at Black Bayou Armory, or call the store in Benton, LA.






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