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 slimline line of handguards have a unique milling profile, designed to maximize grip ergonomics and minimize weight 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 With No Forward Assist Assembled Upper Receiver
Slimline Handguard
14.5" 5.56x45mm NATO Carbine-Length M4 Barrel
Low Profile Gas Block and Carbine-Length Gas Tube
Product comes assembled
This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab
The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel. Per the National Firearms Act, the muzzle brake MUST be pinned and welded to achieve the necessary 16" as defined by the ATF for a rifle build.
M4E1 UPPER WITH NO FORWARD ASSIST 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
SLIMLINE HANDGUARD FEATURES:
Full top picatinny rail for optional attachments
Full length MLOK attachment points 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
NOT Compatible with M4E1 Enhanced Upper Receivers
14.5" 5.56 CARBINE-LENGTH BARREL FEATURES:
5.56x45mm NATO
QPQ Finish
M4 Profile
.750" gas block journal
Carbine-Length gas system
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 Flash Hider
