Aero Precision M5 Complete Upper, 18" .308 SS Fluted Barrel, SM15 - Ano

SKU: APAR538105M69
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Aero Precision M5 Complete Upper, 18″ .308 SS Fluted Barrel, SM15 – Ano

This complete upper includes our ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. 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.


M5 (.308) Threaded Assembled Upper Receiver
15″ M-LOK ATLAS S-ONE Handguard
18″ .308 Fluted Stainless Steel Barrel, Rifle Length
Low Profile Gas Block and Rifle Length Gas Tube
.308 A2 Birdcage Flash Hider
Product comes assembled
This complete upper does not include BCG or Charging Handle.
M5 Assembled Upper Receiver


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


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
1.3” Inside diameter
1.5” Outside diameter
Compatible with mil-spec AR15 upper receivers and barrels
Learn More about our NEW ATLAS S-ONE Hanguards
18″ .308 Fluted Stainless Steel Barrel, Rifle Length


.308 Winchester 18″ Barrel, 1/10 twist, 416R Stainless Steel, gas port drilled
.750 gas block journal
Rifle length gas system
M4 Feed Ramp Extension
HP and MPI tested
Standard .308 A2 flash hider

Product Information


Aero Precision




308 Win

Coating Type

Black Anodize

Gas System


Gas Block Diameter


Attachment Type


Muzzle Thread


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