Aero Precision 16" M4E1-T 5.56 Mid-Length ATLAS R-One Upper Assembly - $399.95

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Shop our Aero Precision 16" M4E1-T 5.56 Mid-Length ATLAS R-One Upper Assembly here!

Shop our Aero Precision 16" M4E1-T 5.56 Mid-Length ATLAS R-One Upper Assembly here!

This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with 16" 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard. The ATLAS R-ONE free float handguard is 15" and features a 1.3" inner diameter that surrounds the low profile gas block and mid-length gas tube.

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 1/2x28
A2 flash hider
Salt Bath Nitride finished

The 16" barrel is machined from Chrome Moly Vanadium steel with a salt bath Nitride finish and a 1:7 twist rate for stabilizing heavier rounds. It is threaded 1/2-28 with an A2 style flash hider, a lightweight and effective option. High pressure tested and magnetic particle inspected ensure this barrel is accurate and reliable. This Aero Precision AR-15 complete upper is a great choice for finishing an AR build.

Aero Precision takes some of the most state-of-the-art manufacturing techniques and equipment derived from their work in the aerospace industry and applies it to their products in the firearms industry. They have utilized their knowledge from years of building aircraft components to design and engineer AR-15 handguards, receiver sets, scope mounts, and more. They treat every product as if it were a precision flying machine and adhere to strict quality standards to ensure law enforcement, military, and civilian customers receive a product they can rely on.

Take a look at our other AR-15 Parts here!

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