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

$399.99

This Aero Precision M4E1 Threaded upper receiver group is assembled with a 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or a charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with a 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 has a 1.3” inner diameter surrounding the low profile gas block and carbine 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
Carbine length gas system

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