Stripped, assembled and complete AR-15 upper receivers from Spikes Tactical, Midwest Industries, Bravo Company, Primary Weapons Systems, Aero Precision and Lantac.
Mil-spec forged uppers fit standard AR-15 lowers, while billet uppers can fit best with their matching lower. For complete uppers, check caliber, barrel length and gas system.
Products List
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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... -
Aero Precision M4E1 Upper Assembled
Aero Precision$114.95The 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... -
Primary Weapons Systems MK116 Pro Upper 16" 5.56 1:8
Primary Weapons Systems (PWS)$799.95The PWS MK116 PRO is a complete AR-15 upper built around the PWS long-stroke piston system, with a 16.1 in .223 Wylde barrel and a 3-setting adjustable gas regulator suited to suppressed and... -
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... -
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... -
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 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...
