Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE
Click to see full view
Aero Precision
Overview
The Aero Precision M5E1 Complete Upper Receiver is designed for the AR-10 platform and features an 18-inch barrel optimized for .308 Win caliber. With a 1:10 twist rate, this upper ensures stability for a variety of bullet weights, while the 5/8x24 thread pitch allows for easy attachment of muzzle devices. This complete upper is often found in precision builds where accuracy and reliability are paramount.
Specifications
Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE
September 2026 on GunPartPicker
Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #621 of the 1,656 upper receivers builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $594.99 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 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 →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision M5 Receiver Set Clear Anodized .308 Win
Radian Weapons AR-15 Raptor-SD Ambidextrous Charging Handle OD Green
LANTAC Enhanced .308 Bolt Carrier Group
TriggerTech AR-10 Diamond 2-Stage Flat Trigger 1.5-4 lbs.
B5 Systems Type 22 P-Grip - FDE
Burris 5-25x50 Signature HD Ballistic E3 Reticle Rifle Scope - 200533
No reviews yet. Be the first to review this product!