Description
This complete upper receiver features the same tried-and-true construction and aesthetics as our 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. 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.
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
This complete upper receiver does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab.
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 our 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 o'clock 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
MPN#: APPG712102M2
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