Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver .300 BLK Pistol Length - ATLAS S-ONE - 16" - $399.99

Description

his Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 16” .300 Blackout barrel and a pistol length gas system to ensure reliable function. Forged from 7075-T6 aluminum, this upper receiver features a billet design at a much lower cost and looks great when paired with the M4E1 lower receiver. The ATLAS S-ONE free float handguard is made from the same material with the same hardcoat anodized finish and features a lightened profile with M-LOK slots for accessories. This .300 Blackout AR-15 barreled upper receiver assembly does not include a BCG or charging handle but does include the forward assist and dust cover. Build a high quality .300 BLK AR pistol today with the M4E1 upper receiver assembly.

Features:
M4E1 threaded upper receiver
Forged 7075-T6 aluminum
Assembled forward assist and dust cover
15” ATLAS S-ONE M-LOK handguard
Hardcoat anodized
16” .300 Blackout barrel
Machined from Chrome Moly Vanadium
Pistol length gas system

SKU: APAR700305M14