- Mil-spec forged AR-15 upper receiver with M4 feedramps.
- Raw finish
- Snug bore fit for great barrel fit
- Manufactured to mil-spec
- Forged 7075-T651 Aluminum
- Cerro Forges
- Our no bull return policy backs you in case you aren't happy or just change your mind.
Mil-spec AR-15 Upper Receiver
These upper receivers are manufactured in house to provide the best fit to our lowers possible. The bore of the upper receiver is created with special attention to the centeredness to the rail, ensuring ease of sighting in and enhanced accuracy at distance.