Aero Precision M5 .308 Assembled Upper Receiver for AR-10

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Large Latch Version

Aero Precision BREACH Charging Handle for AR-10 - Large


A Sleek & Solid Assembled Upper Receiver For .308 Builds

The Aero Precision M5 .308 Assembled Upper Receiver is an outstanding upgrade that creates a sleek and solid look for AR-10 builds. This upper receiver works with AR-308/DPMS Gen 1 compatible components  such as barrels and bolt carrier groups.

This assembled upper is precision machined to accept standard .308 components and works perfectly with Aero Precision M5 Lower Receivers and Handguards.

Preinstalled Ejection Port Door & Forward Assist

The Aero Precision M5 .308 Assembled Upper Receiver and comes with both the port door and forward assist preinstalled. The forged 7075-T6 aluminum construction makes the upper durable, with a hard coat anodized for increased corrosion and abrasion resistance.

Aero Precision M5 .308 Assembled Upper Receiver is a solid match with the M5 .308 lower receiver for a solid and dependable fit and is available in anodized black and FDE finishes.


  • M4 Feedramps
  • .2795 takedown pin holes
  • DPMS High Profile (.210) Tang)
  • Includes port door and forward assist
  • Made in the USA


  • Platform: M5
  • Material: Machined from 7075-T6 forged aluminum
  • Finish
    • Anodized: Black, OD Green, Kodiak Brown
    • Cerakote: Magpul Flat Dark Earth, OD Green, or Sniper Grey
  • Compatibility: Accepts standard AR .308 components
  • Weight(s): 14 oz
  • Other Barrel nut threads: 1 7/16″-16

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Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Aero Precision Warranty

If for any reason you have a warranty issue with one of our products, please contact us at 253-272-8188.

Please describe your situation, include your name and order number or transaction id. One of our technical specialists will then review your claim and contact you within 3-5 business days.

If you have images to send, please email them to

Damaged Items

In regards to claims dealing with damaged or blemished products, we ask that you create a Help Desk Ticket on your My Account page. If you don’t have an account with us, please go to the Contact Us page and fill out the form for review within 72 hours upon receiving the shipment.

If you have images to send, please email them to

Failed Background Check

There will be a 30% restocking fee on all lower receivers returned because of failed background checks.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.