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 ATLAS R-ONE Handguard is designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. 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
15" ATLAS R-ONE Handguard
16" 5.56 CMV Barrel
Low Profile Gas Block and Mid-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 R-ONE Handguard Features:
Full top picatinny rail for optional attachments
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
MLOK attachment points
16" 5.56 Barrel Features:
5.56 NATO 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
.750 gas block journal
Mid length gas system, .0785 gas port
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 flash hider
SPECS
Specs
Shipping to FFL Dealer Required No
Made In America? Yes
Platform AR15
Series M4E1
Caliber 5.56 NATO
Barrel Length 16"
Weight(s) -
Other N/A

MPN#: APPG712705M7

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