Aero Precision M4E1 Threaded 18″ .223 Wylde SS QPQ Complete Upper Receiver with 15″ M-LOK ATLAS R-ONE Handguard – Anodized Black

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MSRP: $599.99
$479.95

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Aero Precision M4E1 Threaded 18″ .223 Wylde SS QPQ Complete Upper Receiver with 15″ M-LOK ATLAS R-ONE Handguard – Anodized Black

This complete upper features the best of the best, including a fluted accuracy-enhancing 223 Wylde chambered and QPQ-treated stainless steel barrel, the acclaimed ATLAS R-ONE Handguard, and the ever-popular and stylish M4E1-Threaded upper receiver.

Fire match accurate 223 Remington specification ammunition while maintaining the safety and reliability capability of 5.56 NATO specification ammunition, a winning combo at whatever contest you enter.

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 R-ONE Handguard Features

  • Full top picatinny rail for optional attachments
  • 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 Handguards

18″ .223 Wylde Barrel Features

  • .223 Wylde 18″ Rifle Length Barrel, 1/8 Twist
  • QPQ Corrosion-Resistant Finish
  • .750 gas block journal
  • Rifle-length gas system
  • M4 Feed Ramp Extension
  • HP and MPI tested
  • Standard A2 flash hider
Weight 68.5 oz
Dimensions 31.4 × 16 × 4.4 in
Barrel Finish

Nitride / Melonite
Barrel Profile

SPR
Cartridge Compatibility

.223 Wylde
Barrel Length

18
Gas System Length

Rifle
Twist Rate

1:8
BCG / Charging Handle

Not Included

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