Aero Precision m4e1 12.5" 556 Atlas S-one

DESCRIPTION

This complete upper includes our 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

12" M-LOK ATLAS S-ONE Handguard

12.5" 5.56 Government Profile CMV Barrel, Carbine Length

Low Profile Gas Block and Carbine Length Gas Tube

AR15 A2 Birdcage Flash Hider

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

M4E1 Threaded Upper Receiver Features:

ATLAS S-ONE Handguard Features:

12.5" 5.56 CMV Carbine Length Barrel 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

  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

  Learn More about our NEW ATLAS S-ONE Hanguards

  Chamber: 5.56

  Length: 12.5"

  Gas Block: .750

  Gas System Length: Carbine

  Weight: 22oz

  M4 Barrel Extension

  HP and MPI Tested