ON SALE!!! 10.5" Aero Precision M4E1 A.T.L.A.S. 300 BLK Complete Upper Receiver

MSRP: $575.00
Was: $575.00
Now: $475.00
(You save $100.00 )



 For a limited time we're offering this awesome 10.5" Aero Precision M4E1 complete 300 BLK upper receiver featuring Aero's popular A.T.L.A.S. S1 Handguard for a solid $100.00 off. Offer limited to supply on hand.

This complete 10.5" 300 BLK upper includes Aero's popular A.T.L.A.S. S1 M-Lok Handguard! Designed for superior strength at the lightest weight possible while allowing uninhibited airflow to the barrel and gives the user positive slip free off hand grip control while providing the strength and stability customers have grown to love from Aero Precision's handguards.

Standard Build Parts Include:

  • Aero Precision M4E1 Assembled Upper Receiver - Anodized Black
  • 10.5" Ground Zero Precision Lightning-H Series 300 BLK Chambered, 1:7 twist Barrel - 4150 CrMoV, Magnetic Particle Inspected, High Pressure Tested, M4 Feed Ramps, .750 Gas Block Journal, Pistol Length Gas, 0.093 Gas Port, Parkerized (Black Magnesium Phosphate) Finish
  • Dead Bolt Full Mass Black Nitride Bolt Carrier Group - Carrier machined from 8620 steel, Bolt machined from SAE 9310 Steel, case hardened, Magnesium Phosphate Finish, MPI, HPT, Full Auto Rated
  • 9" Aero Precision A.T.L.A.S. S1 M-Lok Free-Float Handguard
  • Black Dirt Rifleworks Super-Performance Low Profile Gas Block and Stainless Carbine Length Gas Tube
  • EZ Grasp Barrel Thread Protector
  • Mil-Spec Charging Handle
  • Product comes assembled

Aero Precision M4E1 Upper Receiver Features:

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

Aero Precision A.T.L.A.S. S1 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

Previous SKU: N/A

Additional Details


Related Products

Customers Also Viewed

Subscribe to our newsletter

Get the latest updates on new products and upcoming sales

No thanks