Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! 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 Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even 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
I see no charge bar, but does it have the bolt carrier group (BCG)? Expert Answer

The Aero Precision M5 16in .308 SS Complete Upper Receiver does not include a BCG or charging handle.

by Ethan, Gear Expert, March 26, 2024
Is this the fluted barrel? Expert Answer

This Aero Precision M5 16in .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard does not feature a fluted barrel. The fluted models can be found by using the link below:
https://www.opticsplanet.com/aero-precision-complete-upper-receiver-m5-308-winchester.html

by Ethan, Gear Expert, October 6, 2022

Black Friday Starts NOW! Deals on Aero Precision, Stag, Ballistic Advantage and VG6 Precision

Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
3 Models Available
Overall Length
All
Finish
All
Color
All
Handguard Length
All
Included Accessories
All
Weight
All
Search

ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories.

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Aero Precision M5 16in .308 SS Complete Upper Receiver with Flash Hider w/ ATLAS S-ONE Handguard

Get a truly lightweight shooting experience by adding this Aero Precision M5 16in .308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard. Aero Precision built these AR Handguards & Rails with a front and rear Picatinny rail, but removed the center of the top rail to trim the weight. The Aero Precision M5 16in .308 Stainless Steel Complete Upper Receiver w/ ATLAS S-ONE Handguard is complete with M4 feedramps, .2795 takedown pin holes and a DPMS high profile (DPMS High Profile (.210) Tang). Also, there's an indexing groove in the 12:00 position for positive grip control. Lastly, there's a quick disconnect sling socket at the 3, 6 and 9 o'clock positions. Get this complete upper assembly for one of the most rugged, lightweight and reliable firearms on the market. Buy this Aero Precision M5 16in .308 Stainless Complete Upper Receiver w/ ATLAS S-ONE Handguard today and customize your shooting experience.image

Specifications for Aero Precision M5 16in .308 SS Complete Upper Receiver with Flash Hider w/ ATLAS S-ONE Handguard:

Manufacturer: Aero Precision
Caliber: .308 Winchester
Barrel Length: 16 in
Gas System Length: Mid Length
Barrel Twist Rate: 1-10
Threads per Inch: 5/8x24
Handguard Type: Free-Float
Muzzle Device: A2 Flash Hider
Gun Model: M5
Fabric/Material: 416R Stainless Steel
Gas Block Journal Size-Diameter: .750 in
Gun Rail: Picatinny
Gun Make: Aero Precision
Barrel Material: 416R Stainless Steel
Magazine Included: No
Mount Type: M-LOK
Projectile Caliber: .308 Caliber
Country of Origin: USA

Features of Aero Precision M5 16in .308 SS Complete Upper Receiver with Flash Hider w/ ATLAS S-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 S-ONE Handguard Features:
  • Front and rear picatinny rail
  • Eliminated center of top rail for weight reduction
  • Indexing grooves in 12:00 position for positive grip control
  • 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
  • Learn More about our NEW ATLAS S-ONE Hanguards
  • 16in .308 Stainless Steel Barrel Features:
  • Twist: 1 in 10
  • Threading: 5/8 x 24
  • Material: 416R Stainless Steel
  • Finish: Bead Blasted
  • Gas Block Journal: .750
  • Gas System Length: Mid-Length
  • Weight: 35.36 oz
  • DPMS Barrel Extension
  • HP and MPI Tested

Package Contents:

  • Aero Precision M5 16in .308 SS Complete Upper Receiver with Flash Hider w/ ATLAS S-ONE Handguard

Aero Precision M5 16in .308 SS Complete Upper Receiver with Flash Hider w/ ATLAS S-ONE Handguard Orderable Models

List of Orderable Models

  • Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 15in M-LOK Handguard, Anodized, Black, APAR538105M23 , MPN: APAR538105M23 , UPC: 840014609178 , Code: 29D-UFH-YM90K-APAR538105M23
  • Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 12in M-LOK Handguard, Anodized, Flat Dark Earth, APAR538114M23 , MPN: APAR538114M23 , Code: 29D-UFH-YM90K-APAR538114M23
  • Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 15in M-LOK Handguard, Anodized, Flat Dark Earth, APAR538115M23 , MPN: APAR538115M23 , Code: 29D-UFH-YM90K-APAR538115M23

Aero Precision M5 16in .308 SS Complete Upper Receiver with Flash Hider w/ ATLAS S-ONE Handguard Unavailable & Discontinued Models

List of Unorderable Models

  • Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 12in KeyMod Handguard, Anodized, Black, APAR538004P23 , MPN: APAR538004P23 , Code: 29D-UFH-YM90K-APAR538004P23
  • Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 12in M-LOK Handguard, Anodized, Black, APAR538104M23 , MPN: APAR538104M23 , Code: 29D-UFH-YM90K-APAR538104M23
  • Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 15in KeyMod Handguard, Anodized, Black, APAR538005P23 , MPN: APAR538005P23 , Code: 29D-UFH-YM90K-APAR538005P23
  • Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 15in KeyMod Handguard, Anodized, Flat Dark Earth, APAR538015P23 , MPN: APAR538015P23 , Code: 29D-UFH-YM90K-APAR538015P23
Compare (0)