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Bravo Company M4 Upper Receiver Assembly w/ Laser T-Markings
Bravo Company (BCM)$119.00The BCM M4 Upper Receiver Assembly is a fully assembled, flat-top AR-15 upper with M4 feed ramps and laser-etched T-markings on the rail. It is a solid starting point for a carbine build from a maker... -
Spikes Tactical Billet Upper GEN II
Spikes Tactical$244.95The Spike's Tactical Gen II billet upper is machined from 7075-T6 aluminum with weight-saving pockets and comes with the forward assist and ejection port door installed. Features Machined from... -
LANTAC USR Forged Upper Standard Receiver For AR15/M4
LANTAC$115.99The Lantac USR is a stripped, forged flat-top AR-15 upper receiver with M4 feed ramps, ready for your own build. Features Forged aluminum flat-top upperM4 feed rampsSold stripped: forward assist and... -
Midwest Ind. Lightweight 16" Upper M-LOK .223 Wylde
Midwest Industries$579.95The Midwest Industries lightweight barreled upper pairs a 16 in nitrided .223 Wylde barrel with a 14 in free-float M-LOK handguard on a forged 7075-T6 upper. It ships without a bolt carrier group or... -
Spikes Tactical M4 Flat Top Upper Receiver For AR15/M4
Spikes Tactical$104.95The Spike's Tactical M4 flat top is the same forged mil-spec upper receiver Spike's uses on its factory rifles, with forward assist and ejection port door installed. Features Forged 7075-T6...
Description
The Aero Precision M4E1 Threaded assembled upper receiver is a forged AR-15 upper with an enhanced, billet-look profile, shipped with the ejection port door and forward assist installed.
Features
- Enhanced forging with a billet look
- Picatinny top rail profile blends with Aero Enhanced and ATLAS series handguards
- M4 feed ramps
- .250 in takedown pin holes
- Laser-engraved T-marks
- Ejection port door and forward assist installed
Specifications
- Material: 7075-T6 forged aluminum
- Finish: Anodized
Fits
- AR-15 lower receivers
- 5.56x45mm / .223 Rem builds
In the box
- M4E1 Threaded upper receiver with port door and forward assist installed
- Threaded forward assist roll pin
- Bolt carrier group and charging handle not included
