Home / AR Parts / Aero Precision / Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard
Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard

Lowest Price
$378.22
MSRP
$406.69
Savings
7% off
In Stock at
0 Stores
Updated
Dec 17, 2025

Specifications

MPN
APAR610604M38
UPC
840014610150

Description

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can maximize the weight savings for your next build. Specifications for Aero Precision AR-15 14.7in 5.56x45mm NATO No Forward Assist Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard: Manufacturer: Aero Precision Cartridge: 5.56x45mm NATO Barrel Length: 14.7 in Barrel Profile: M4 Gas System Length: Mid Length Pencil Barrel Twist Rate: 1-7 Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Condition: New Handguard Length: 12 in Gun Rail: M-LOK Barrel Material: 4150 Chrome Moly Vanadium Bolt Carrier Group Included: No Charging Handle Included: No Magazine Included: No Mount Type: M-LOK Country of Origin: USA Features of Aero Precision AR-15 14.7in 5.56x45mm NATO No Forward Assist Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard: AR15 Upper Receiver with No Forward Assist Features: M4 Feedramps 250 takedown pin holes Laser engraved T-marks No forward assist provisions Port door installed 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 1.3" Inside diameter 1.5" Outside diameter Compatible with mil-spec AR15 upper receivers and barrels Barrel Features: Chamber: 5.56 Threading: 1/2"x28 Material: Chrome Moly Vanadium M4 Barrel Extension HP and MPI Tested Package Contents: Aero Precision AR-15 14.7in 5.56x45mm NATO No Forward Assist Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard Bolt Carrier Group (BCG) not included Charging Handle not included Aero Precision APAR610604M38: AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard Anodized Black
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