Aero Precision M4E1-T Complete Upper, 16" 5.56 HBAR Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized - $349.95

Description

This complete upper receiver includes an HBAR profile barrel that is laser marked "HBAR".
Includes
M4E1 Threaded Assembled Upper Receiver
15" ATLAS S-ONE M-LOK Handguard
16" 5.56 HBAR barrel
Low Profile Gas Block and Mid-Length Gas Tube
Product comes assembled
This complete upper does not include the BCG or the Charging Handle.
M4E1 Threaded Upper Features
New enhanced forging that gives the upper receiver a "billet look"
New picatinny profile that blends seamlessly with our Enhanced Series Handguards
M4 Feedramps
.250 takedown pin holes
Laser-engraved T-marks
Includes port door and forward assist installed
ATLAS S-ONE Handguard Features
Front and rear Picatinny rail
Eliminated the center of the top rail for weight reduction
Indexing grooves in the 12 o'clock 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
MLOK attachment points
16" 5.56 HBAR Barrel
5.56 NATO 16" Barrel, 1:7 twist, 4150 CrMoV, QPQ, gas port drilled
.750 gas block journal
Mid-Length Gas System
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 flash hider
SKU: 28764
MPN: APAR700105M97