Aero Precision M4E1 Threaded Barreled Upper 5.56 Rifle Atlas R-One – 20″

Features:

  • 20” 5.56 NATO
  • 4150 Chrome Moly Vanadium barrel
  • HPT and MPI
  • Black Nitride finish
  • 1:7 twist rate
  • Rifle length gas system
  • M4E1 Threaded forged 7075-T6 upper
  • Hardcoat anodized
  • Laser engraved T-marks
  • Scalloped picatinny top rail
  • Built in anti-rotation tabs
  • M-LOK slots
  • Does not include BCG or charging handle

$429.24

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SKUAPAR700705M48 Category

Introducing the Aero Precision M4E1 Threaded Barreled Upper 5.56 Rifle Atlas R-One – 20″! This top-of-the-line upper receiver is designed for use with standard barrel nut setups and is forged from 7075-T6 aluminum for increased durability. It’s also precision machined to M4E1 specs and hardcoat anodized for a matte black finish. Plus, it features laser engraved T-marks for a personal touch.

As for the handguard, it’s the Atlas R-One M-LOK free float handguard with a full length picatinny top rail and a slim 1.3″ inner diameter. So you can easily add your favorite accessories without worrying about wobbling or loose parts. Plus, the M-LOK slots make it easy to attach grips, lights, or other accessories directly to the handguard for a sleek, streamlined look.

And of course, this upper receiver comes with a 20″ 5.56 barrel for increased accuracy and longer range. Whether you’re hitting the range or hitting the field, you’ll be able to do so with confidence knowing that your rifle is built with only the best parts. So don’t wait any longer, order your Aero Precision M4E1 Threaded Barreled Upper 5.56 Rifle Atlas R-One – 20″ today!

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