Description
This upper assembly includes the 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. The 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.
Includes:
M4E1 Threaded Assembled Upper Receiver
7.3″ M-LOK ATLAS R-ONE Handguard
7.5″ 5.56 Pistol Length CMV Barrel
Low Profile Gas Block and Pistol Length Gas Tube
Product comes assembled
The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
M4E1 Threaded Upper Receiver Features:
New enhanced forging that gives the upper receiver a “billet look”
M4 Feedramps
.250 takedown pin holes
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
7.5″ 5.56 Pistol Length Barrel Features:
Chamber: 5.56
Length: 7.5″
Twist: 1 in 7
Threading: 1/2″x28
Material: Chrome Moly Vanadium
Finish: QPQ corrosion resistant finish both inside and out
Gas Block: .750
Gas System Length: Pistol
Weight: 17.23 oz
M4 Barrel Extension
HP and MPI Tested
Weight 35 oz Barrel Finish
Nitride / Melonite
Barrel Profile
Medium
Cartridge Compatibility
5.56 NATO
Barrel Length
7.5
Gas System Length
Pistol
Twist Rate
1-7
BCG / Charging Handle
Not Included
Barrel Chamber
5.56 NATO
MPN APAR700772M0
SKU: 25765
