Aero Precision

Aero Precision M4E1 18" Fluted Stainless Barrel .223 Wylde Almost Complete Upper Receiver W/15" ATLAS R-ONE Handguard

Item# APAR700705M51

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Stock : 10+ Available

• Not for sale outside of the United States

• Must be 21: adult signature required for delivery

This complete upper includes Aero Precision's new 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. Aero Precision's proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have gn to love from Aero Precision handguards. This complete upper does not include BCG or Charging Handle.


M4E1 Threaded Assembled Upper Receiver
15" ATLAS R-ONE Handguard
18" .223 Wylde Fluted Rifle Length Stainless Steel Barrel
Low Profile Gas Block and Rifle Length Gas Tube
Product comes assembled

M4E1 Threaded Upper Receiver Features:

New enhanced forging that gives the upper receiver a "billet look"
New picatinny profile that blends seamlessly with our Enhanced Series Handguards
M4 Feedramps
.250 takedown pin holes
Laser engraved T-marks
Includes port door and forward assist 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

18" .223 Fluted Stainless Steel Rifle Length Barrel Features:

.223 Wylde 18" Rifle Length Barrel, 1/8 Twist
416R Stainless Steel
Bead Blasted Finish
.750 gas block journal
Rifle length gas system
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 flash hider
ALL NEW Fluted Design
Barrel Weight: 28 oz

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