Upper Receivers
From forged to precision machined CNC billets, our upper receiver options are a base for any precision AR build
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Out of Stock
Aero Precision AR15 Atlas R-One M-LOK Handguard FDE - Various Lengths
Aero Precision
$148.99 - $182.99Aero Precision AR15 Atlas R-One M-LOK Handguard FDE The ATLAS R-ONE is the newest addition to the Aero Precision Handguard lineup. Machined from 6061-T6 Aluminum, the R-ONE line of handguards are designed with size and weight in mind,...$148.99 - $182.99 -
Out of Stock
Aero Precision M4E1 Threaded Assembled Upper Receiver - Anodized Black
MSRP: $175.00$159.99Aero Precision M4E1 Threaded Assembled Upper Receiver - Anodized Black The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the...MSRP: $175.00$159.99 -
Spikes Tactical Upper Receiver - Forged M4 Flat Top (Multi Cal)
Spikes Tactical
MSRP: $115.00$103.50Spikes Tactical Upper Receiver - Forged M4 Flat Top (Multi Cal) The Spike’s Tactical M4 flat top upper receiver is machined from a Mil-Spec 7075 T6 forging with a durable Type III Hardcoat Anodized finish that also features laser engraved...MSRP: $115.00$103.50 -
BCM M4 AR15 Upper Receiver Assembly (w/ Laser T-Markings)
Bravo Company Mfg, Inc.
MSRP: $149.00$129.00BCM M4 AR15 Upper Receiver Assembly (w/ Laser T-Markings) Built to the correct Mil-Specs. (Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle.) Features: • Precision...MSRP: $149.00$129.00 -
Out of Stock
Aero Precision AR15 Assembled Upper - XL
Aero Precision
MSRP: $109.99$97.74The Aero Precision XL Upper is forged from 7075-T6 aluminum and features an enlarged ejection port, the XL Upper Receiver is your best choice when you're planning a build to send big rounds down range. Features: Port door opening enlarged to enhance...MSRP: $109.99$97.74 -
Out of Stock
KE Arms AR15 Slick Side Upper
KE Arms
MSRP: $119.95$107.96The Slick Side KE-15 Forged flat top upper receiver is precision machined from hi grade 7075 forgings to MilSpec standards, made to fit all M16/M4 rifles and carbines. M4 feed ramps machined in. Features USGI type T marked top, making it easy to remount...MSRP: $119.95$107.96 -
Out of Stock
Zev AR15 Billet Receiver Set - Ambi
ZEV Technologies
MSRP: $545.00$534.95The ZEV Technologies AR15 Billet Receiver Set was designed to complement the enhanced features of the ZEV rifle product line while retaining compatibility with most mil-spec accessories to give you the most options for completing your build. ...MSRP: $545.00$534.95 -
Out of Stock
Zev Forged AR15 Upper Receiver - Stripped
ZEV Technologies
MSRP: $125.00$118.75The ZEV Technologies Forged AR-15 Upper Receiver comes stripped and ready for your next custom AR build. ZEV starts with high-quality 7075 T6 aluminum forgings and final machines them to better than mil-spec dimensions held to .001"...MSRP: $125.00$118.75 -
Out of Stock
Knights Armament Company SR-15 CQB Mod 2 Complete Upper 11.5" 5.56
Knights Armament Company
$1,989.16Knights Armament Company SR-15 CQB Mod 2 Complete Upper 11.5" 556 The SR-15 E3 Mod 2 series' 5.56 mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt...$1,989.16 -
Out of Stock
Aero Precision M4E1 Threaded Assembled Upper Receiver - FDE Cerakote
Aero Precision
MSRP: $149.99$134.99Aero Precision M4E1 Threaded Assembled Upper Receiver - FDE Cerakote The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same...MSRP: $149.99$134.99 -
Out of Stock
Noveske M4 Stripped AR15 Upper Receiver
Noveske Rifleworks
$199.99Noveske M4 Stripped AR15 Upper Receiver Extended Feed Ramps Hardcoat Type III anodized Iron Noveske Cross Imprint Mil-Std 1913 Top Rail$199.99 -
Out of Stock
Spikes Tactical AR15 Billet Upper Receiver Gen 2
Spikes Tactical
MSRP: $270.00$242.99Spikes Tactical AR15 Billet Upper Receiver Gen 2 The Spike’s Tactical billet upper-Gen II receiver is not just another different cosmetic alternative to forged upper receivers but it’s actually designed with functional upgrades that...MSRP: $270.00$242.99