The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts.
The M4E1 Threaded Upper Receiver is designed to pair perfectly with the Aero Precision M4E1 Lower Receiver, giving you a billet looking receiver set at a fraction of the billet price.
- New enhanced forging that gives the upper receiver a “billet look”
- New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
- M4 Feedramps
- .250 takedown pin holes
- Includes threaded forward assist roll pin
- DOES NOT include port door or forward assist
This product is blemished. Blemishes may include:
- Plating inconsistencies
- Flaws in finish
Our blemished products are fully functional, they just didn’t meet our high standards. They are a great product at a discounted price for someone who doesn’t mind a slight imperfection. We do not accept returns on blemished products.