Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote
Click to see full view
Aero Precision
Overview
The Aero Precision M4E1 Complete Upper Receiver features a 16-inch mid-length barrel chambered in 5.56 NATO, making it a versatile option for a variety of shooting applications. With a 1:7 twist rate, this upper is optimized for stabilizing a range of bullet weights, enhancing accuracy and performance. Finished in FDE Cerakote, this upper not only provides a tactical look but also improves durability against the elements. This upper is commonly found in builds focused on a balanced combination of maneuverability and precision shooting.
Specifications
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote
Available Merchants(4)
Prices checked
Stock Alert
Log in to get notified when this product is back in stock.
August 2026 on GunPartPicker
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote ranked #291 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #422 of the 1,567 upper receivers builders have added.
It was out of stock everywhere we track for all of August 2026, and today none of the 4 retailers we track has it in stock right now. Listed prices start at $454.74 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Frequently Built With
The part most often added in each category by the 4 builds that include this one
Strike Industries AR-15 Ultra Light Pivot / Takedown Pins - FDE
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Phase 5 Tactical AR-15 90 Degree Ambi Safety Selector Black
Fortis SHIFT Vertical Grip - M-LOK
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze
No reviews yet. Be the first to review this product!