Description
This complete upper receiver features the same tried-and-true construction and aesthetics as Aeros M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included S-ONE handguard is designed with size and weight in mind. Featuring a trimmed-down top rail to help minimize weight and overall profile. Aeros 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 Upper Receiver, No Forward Assist.
9.2 ATLAS S-ONE Handguard.
10.5 5.56 CMV Barrel.
Low Profile Gas Block and Carbine Length Gas Tube.
Port Door Assembly.
A2 Flash Hider.
M4E1 Threaded, No Forward Assist Upper Receiver Features:
No Forward Assist.
Custom enhanced forging that gives the upper receiver a billet look while maintaining the structural integrity of a forged part.
Picatinny profile that blends seamlessly with Aeros Enhanced and ATLAS Series Handguards.
M4 Feedramps.
.250 takedown pin holes.
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 oclock positions.
1.3 Inside diameter.
1.5 Outside diameter.
Compatible with mil-spec AR15 upper receivers and barrels.
M-LOK attachment points.
10.5 5.56 Barrel Features:
5.56 NATO 10.5 Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled.
.750 gas block journal.
Carbine length gas system, .0785 gas port.
M4 Feed Ramp Extension.
HP and MPI tested.
Standard A2 flash hider.
Note:
This complete upper receiver does not include BCG or Charging Handle.
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