Aero Precision M4E1 Threaded AR-15 Barreled Upper 5.56 Mid-Length ATLAS R-One – 16″

Features:

  • M4E1 threaded upper receiver
  • Forged 7075-T6 aluminum
  • Assembled forward assist and dust cover
  • 15” ATLAS R-ONE M-LOK handguard
  • Hardcoat anodized
  • 16” 5.56 NATO barrel
  • Machined from Chrome Moly Vanadium
  • Mid-length gas system
  • 1:7 twist rate
  • Threaded 1/2×28
  • A2 flash hider
  • Salt Bath Nitride finished

$433.49

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SKUAPAR700705M7 Category

Looking for a barreled upper receiver group that gives you the freedom to choose your own BCG and charging handle? Look no further than the Aero Precision M4E1 Threaded AR-15 Barreled Upper 5.56 Mid-Length ATLAS R-One. This fully assembled upper receiver comes with forward assist and dust cover already installed, so all you need to do is add your favorite BCG and charging handle. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard. It also features a standard MIL-SPEC 1913 Picatinny rail for easy mounting of optics and other accessories. The ATLAS R-ONE free float handguard is 15” long and features a 1.3” inner diameter that surrounds the low profile gas block and mid-length gas tube. So whether you’re looking to build a simple plinking rifle or a serious competition setup, the Aero Precision M4E1 Threaded AR-15 Barreled Upper 5.56 Mid-Length ATLAS R-One has everything you need to get started.

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