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Upper Receivers

1-24 of 750 Products
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Aero Precision AR-15 M4E1 Builder Set with Lower Receiver, Upper Receiver, & Handguard - Custom Finish
$499 99 $549.99
In Stock
Aero Precision M4E1 Enhanced 10.5" 5.56 Complete Upper Receiver with Pinned FSB and 7" Enhanced M-LOK Handguard - Anodized Black - APAR640211M3
$359 99 $554.99
In Stock
Only 1 Left!
Aero Precision M4E1 Threaded Complete Upper, 13.9" 5.56x45mm CMV Mid-Length Barrel with 12.7" ATLAS R-ONE M-LOK Handguard - Anodized Black - APAR700704M99
$359 99 $574.99
In Stock
Only 5 Left!
Aero Precision M4E1 Threaded 8" .300 Blackout Complete Upper Receiver with ATLAS S-ONE Handguard - Anodized Black - APAR700301M1
$399 99 $534.99
In Stock
Only 1 Left!
Aero Precision M5 18" .308 SS Complete Upper Receiver with 15" ATLAS S-ONE Handguard - APAR538115M26
$519 99 $774.99
In Stock
Only 2 Left!
Aero Precision AR15 XL Stripped Upper Receiver - FDE Cerakote - APAR611320C
$74 99 $114.99
In Stock
Only 3 Left!
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Anodized Black - APAR700305M7
$399 99 $589.99
In Stock
Only 1 Left!
Aero Precision M4E1 Enhanced Complete Upper, 16" 5.56 HBAR MID-Length Barrel with 15" Enhanced Quad Rail Handguard - Cerakote FDE - APAR600224Q97
$429 99 $619.99
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Only 4 Left!
Aero Precision M4E1 Threaded Stripped Upper, No Forward Assist - FDE Cerakote - APAR712202C
$99 99 $154.99
In Stock
Only 6 Left!
Aero Precision M4E1 Enhanced Upper Receiver .223/5.56 NATO Black Hardcoat Anodzied - APAR600201AC
$159 99 $199.99
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Only 2 Left!
Aero Precision M5 (.308) Enhanced Assembled Upper Receiver - Clear Anodized - APSL100555
$174 99 $189.99
In Stock
Only 2 Left!
Aero Precision M5E1 Enhanced 22" 6.5 Creedmoor Stainless Steel Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR308554M46
$499 99 $779.99
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Only 2 Left!
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