M4E1 Upper, 10.5 inch 5.56 Barrel, 9'' M-LOK ATLAS S-ONE - $427.00

Description

This barreled upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. 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 Assembled Upper Receiver
9" ATLAS S-ONE Handguard
10.5" 5.56 CMV Barrel
Low Profile Gas Block and Carbine Length Gas Tube
Product comes assembled
The muzzle brake that comes with this upper receiver is NOT pinned nor welded to this barrel.
This upper does not include BCG or Charging Handle.

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
Compatible with low profile gas blocks
1.3” Inside diameter
1.5” Outside diameter
Compatible with mil-spec AR15 upper receivers and barrels

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#: APAR700302M2