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Aero Precision 14.5" M4E1 Threaded 5.56 Barrel Complete Upper Receiver 12" M-LOK ATLAS S-ONE Handguard
Aero Precision 14.5' M4E1 Threaded 5.56 Barrel Complete Upper Receiver 12' M-LOK ATLAS S-ONE Handguard

Aero Precision 14.5" M4E1 Threaded 5.56 Barrel Complete Upper Receiver 12" M-LOK ATLAS S-ONE Handguard

Part Number:APAR700304M5
On sale: $524.95
Retail Price:$549.99
You Save:$25.04(5%)
Out of Stock.

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Aero Precision 14.5" M4E1 Threaded 5.56 Barrel Complete Upper Receiver 12" M-LOK ATLAS S-ONE Handguard

DESCRIPTION:

This complete 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 Assembled Upper Receiver with Forward Assist
  • 12" M-LOK ATLAS S-ONE Handguard
  • 14.5" 5.56 CMV Barrel, Carbine Length
  • 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 or build as a non-NFA pistol.

M4E1 Threaded Upper Receiver Features:

  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • New enhanced forging that gives the upper receiver a "billet look"
  • New picatinny profile that blends seamlessly with our Enhanced Series Handguards
  • Port door installed

12" 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

14.5" 5.56 Barrel Features:

  • 5.56 Nato 14.5" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
  • Government Profile
  • .750 gas block journal
  • Carbine length gas system, .0785 gas port
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider
  • 26 Ounces
SPECIFICATIONS
Shipping to FFL Dealer RequiredNo
Made In America?Yes
PlatformAR15
SeriesATLAS
Caliber5.56 NATO
Barrel Length14.5"
Select Your FinishAnodized Black
Weight(s)50 OZ
OtherN/A





























































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