Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
There is conflicting info in description. Does this barrel have a carbine or mid-lenght gas port and tube? Expert Answer

This Aero Precision M5 .308 CMV Complete Upper Receiver features a mid-length gas system with low profile gas block and mid-length gas tube.

by Ethan, Gear Expert, November 3, 2022
are there replacement screws and nuts for the handguard available? Expert Answer

I recommend contacting Aero Precision for replacement screws for the Aero Precision M5 .308 CMV Complete Upper Receiver w/ATLAS R-ONE Handguard.

by Hunter, Gear Expert, September 16, 2022
Customer Reviews
Helpful Positive Review
All I want for Christmas is my Aero Upper! by Top, Verified Owner, December 16, 2021
I have been patiently waiting for months for the Aero Precision 308 uppers to be in stock... anywhere! Optics planet is the first. That says a lot about Optics Planet's buying power. Then to be the only game in town, and not take advantage of thei...
Read More...
2/2 found this helpful
Helpful Positive Review
12.5 .308 built upper by Scottland Fowler, Verified Owner, May 17, 2020
Recently purchased the12.5 .308mlok Upper in Black. Yes it took longer then I expected to come in to me, but when it did get here I was pleasantly surprised . It’s really the perfect upper for killing Hogs from a helicopters or stalking elk. Ideal f...
Read More...
8/9 found this helpful
Helpful Negative Review
This complete upper was in stock, priced appropriately, and shipped promptly. On the outside it looked great. However when I ran a patch through the barrel it was full of rust. It took several brass brushings and patches to clean up the barrel. I am ...
Read More...
1/5 found this helpful
Most Recent Reviews
Aero upper by Bailey, February 24, 2022
The fit and finish of this aero upper is second to none. The milling finishes are incredible with no sharp edges or burrs . They must have a fantastic group of machinist making these components. Well done.
Read All 4 Reviews
Caliber:
.308 Winchester
Barrel Length:
12.5 in
Gas System Length:
Carbine Length
Barrel Twist Rate:
1-10
Handguard Type:
Free-Float
Muzzle Device:
A2 Flash Hider
Finish:
Anodized
Color:
Black
Gun Model:
M5
Fabric/Material:
4150 Chrome Moly Vanadium
Gas Block Journal Size-Diameter:
.750 in
Handguard Length:
12 in
Gun Rail:
Picatinny
Gun Type:
Rifle
Gun Make:
Aero Precision
Condition:
New
Mount Type:
KeyMod
Projectile Caliber:
.308 Caliber
Threads per Inch:
5/8x24

Code: 29D-UFH-YM98K-APAR538604P49

MPN: APAR538604P49

Product No Longer Available

Product Info for Aero Precision M5 12.5in .308 CMV Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard

The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.image

Includes:

M5 Assembled Upper Receiver

ATLAS R-ONE Handguard of choice

Low Profile Gas Block and Carbine Length Gas Tube

Product comes assembled

This complete upper does not include a BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab.

Features of Aero Precision M5 12.5in .308 CMV Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard

  • M5 Assembled Upper Features:
  • Forged from 7075 T6 aluminum
  • M4 Feedramps
  • .2795 takedown pin holes
  • Laser engraved T-marks
  • DPMS High Profile (.210) Tang)
  • Includes port door and forward assist
  • ATLAS R-ONE Handguard Features:
  • Full top picatinny rail for optional attachments
  • Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
  • Compatible with low profile gas blocks
  • 1.5in Inside diameter
  • 1.75in Outside diameter
  • Compatible with AR-308 Upper Recievers with a thread pitch of 1-7/16 x 16 along with a DPMS High Profile (.210) Tang Rail

Package Contents:

  • Aero Precision M5 12.5in .308 CMV Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard

5.56x45mm NATO Ammo

1–22 / 22
Previous
Next

Firearm Case

1–40 / 40
Previous
Next

Ammo Boxes

1–16 / 16
Previous
Next

Gun Parts and Accessories

1–22 / 22
Previous
Next

Ammunition

1–39 / 39
Previous
Next

Related Products to Aero Precision M5 12.5in .308 CMV Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard

Aero Precision M5 12.5in .308 CMV Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard Unavailable & Discontinued Models

List of Unorderable Models

  • Aero Precision M5 Complete Upper Receiver, 12.5in .308 CMV Barrel, w/ATLAS R-ONE 12in KeyMod Handguard, Anodized, Black, APAR538604P49 , MPN: APAR538604P49 , Code: 29D-UFH-YM98K-APAR538604P49
  • Aero Precision M5 Complete Upper Receiver, 12.5in .308 CMV Barrel, w/ATLAS R-ONE 12in KeyMod Handguard, Anodized, Flat Dark Earth, APAR538614P49 , MPN: APAR538614P49 , Code: 29D-UFH-YM98K-APAR538614P49
  • Aero Precision M5 Complete Upper Receiver, 12.5in .308 CMV Barrel, w/ATLAS R-ONE 12in M-LOK Handguard, Anodized, Black, APAR538704M49 , MPN: APAR538704M49 , UPC: 840014609536 , Code: 29D-UFH-YM98K-APAR538704M49
  • Aero Precision M5 Complete Upper Receiver, 12.5in .308 CMV Barrel, w/ATLAS R-ONE 12in M-LOK Handguard, Anodized, Flat Dark Earth, APAR538714M49 , MPN: APAR538714M49 , Code: 29D-UFH-YM98K-APAR538714M49
Compare (0)