Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver 5.56 Mid-Length - ATLAS S-ONE - 16" - $349.95

Description

This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with a 16" 5.56 barrel and the ATLAS S-ONE M-LOK handguard. This barreled upper receiver group does not include a 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 S-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 S-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
Does not include BCG or charging handle
SKU: 28999
MPN: APAR700305M7