AR-15 UPPER RECEIVERS
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Rock River Arms AR-15 Elite CAR A4 .223 16" Complete Upper Receiver
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Rock River Arms Elite A4 complete upper features a 16" chrome lined 1:9 twist barrel, A2 Flash Suppressor, side swivel mount, complete bolt assembly and charging handle and a .223/5.56 NATO Chamber. No FFL required. |
AR0831B
In stock
$399.95
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
In stock
$409.99
Aero Precision AR15 M4E1 Reciever Set, Special Edition: Freedom - Anodized
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Aero Precision AR15 M4E1 Reciever Set, Special Edition: Freedom - Anodized |
APCS100326S
In stock
$219.99
Aero Precision AR15 Stripped Upper/Lower Receiver Set - BLK
Upper Receiver Features:
Lower Receiver Features:
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APCS100002S
In stock
$137.99
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
In stock
$399.99
Aero Precision AR15 Stripped Upper/Lower Receiver Set - FDE
Upper Receiver Features:
Lower Receiver Features:
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APCS100008S
Out of stock
$189.99
Aero Precision M5E1 Complete Upper - 18" - Keymod - .308 Win
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Aero Precision M5E1 Complete Upper featuring the Gen 2 Enhanced Handguard. M5E1 Upper Features:
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APAR308554P25
Out of stock
$549.99
DPMS AR-15 M4 AP4 .223 16" Complete Flat Top Upper Receiver
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DPMS Pre Ban Flat Top M4 complete uppers featuring a 16" 1:9 twist chrome moly barrel with M203 mount cut out, complete bolt assembly and charging handle. No FFL required. |
BA-AP416
Out of stock
$379.95
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.