AR-15 UPPER RECEIVERS
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Aero Precision AR15 Stripped Upper Receiver - BLK
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The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit. Features:
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APAR501603C
In stock
$63.99
Aero Precision AR15 Stripped Upper/Lower Receiver Set - FDE
Upper Receiver Features:
Lower Receiver Features:
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APCS100008S
In stock
$189.99
Aero Precision M5 .308 Assembled Upper Receiver - BLK
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The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big bore build. Match this with our M5 .308 lower receiver for a solid and dependable fit. Features:
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APAR308503C
In stock
$123.99
Aero Precision AR15 Assembled Upper Receiver - BLK
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The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit. Features:
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APAR501603AC
In stock
$79.99
Aero Precision AR15 M4E1-E Complete Upper - 10.5" Barrel - M-LOK - 5.56mm
M4E1 Upper Features:
Quantum Handguard Features:
10.5" 5.56 Barrel Features:
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APAR640102M2
In stock
$359.99
Aero Precision AR15 Gen 2 Complete Upper - 16" Mid-Length - M-LOK - 5.56mm
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Aero Precision AR15 Complete Upper featuring the Gen 2 ATLAS S-ONE Enhanced Handguard. Key features include front and rear picatinny rails, eliminated top center of rail for weight reduction, compatible with low profile gas blocks. Gen 2 Upper Features:
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APAR700305M7
Out of stock
$409.99
Aero Precision AR15 M4E1-E Complete Upper - 7.5" Barrel - M-LOK - 5.56mm
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Aero Precision AR15 Complete Upper featuring the QUANTUM Handguard. Anodized Black. Features:
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APAR640101M0
Out of stock
$349.99
Aero Precision AR15 Stripped Upper/Lower Receiver Set - BLK
Upper Receiver Features:
Lower Receiver Features:
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APCS100002S
Out of stock
$137.99
AR-15 Upper Receivers
Find the Upper Receiver Parts You Need for your AR-15 Gun
Customize or begin building sooner with our AR-15 Upper Receivers. We have receivers boasting hard chrome-lined chambers and bores that deliver exceptional endurance and easier maintenance. Choose from a fast 1:7 twist or the popular 1:9 rate in our selection of AR-15 upper receivers. Top names in receiver manufacturing are here, including Rock River Arms, CMMG, and ArmaLite. These makers emphasize testing prior to shipment for your satisfaction. CMMG conducts magnetic particle testing on its barrels, a process which reveals tiny flaws. Order a Carbine Upper Receiver with M4 feed ramps and Bird Cage flash suppressor from this manufacturer.
Get the Rifle You Really Want with AR-15 Upper Receiver Parts
Make a match rifle or a versatile hunting firearm with AR-15 upper receiver parts. The AR15’s modular structure allows you to modify its design to meet your aspirations. Find a flat top so you can reconfigure as needed. We carry an M4 version of the AR15 carbine – its flat top provides a range of sighting options. Many of our AR-15 upper receiver parts are made from higher grade, mil-spec steel and work with existing mil-spec lowers. We’re also your superlative source for AR 15 parts sold individually, from charging handle assemblies to sling mounts.
AR-15 Upper Receiver Assembly Ensures Components Coincide
When you want the complete package, we’re here with assemblies! You can opt for an AR-15 Upper Receiver Assembly featuring a 16-inch barrel and a 1:9 twist, paired with a flash suppressor, mount, bolt assembly and charging handle. A dedicated bolt to match the upper assembly is important to the workings of your AR-15. You’ll also benefit from a handle matched to your barrel. Choose AR-15 upper receiver assemblies backed by precision manufacturing to add to your rifle or when building a firearm from square one.