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5.56x45 Gas Impingement Complete Uppers

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Aero Precision M4E1 Enhanced Complete Upper, 13.9" 5.56 CMV Mid-Length Barrel with 12.7" Enhanced M-LOK Handguard - Anodized Black - APAR600217M99

Aero Precision M4E1 Enhanced Complete Upper, 13.9" 5.56 CMV Mid-Length Barrel with 12.7" Enhanced M-LOK Handguard - Anodized Black - APAR600217M99

$369 99 $574.99
In Stock
Only 1 Left!
Ballistic Advantage 10.3" 5.56 Hanson Carbine Length with 9" Ballistic Advantage LOGIC M-LOK Handguard AR15 Complete Upper Receiver - BAUR10002

Ballistic Advantage 10.3" 5.56 Hanson Carbine Length with 9" Ballistic Advantage LOGIC M-LOK Handguard AR15 Complete Upper Receiver - BAUR10002

$459 80
In Stock
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Aero Precision M4E1 Enhanced 8" 5.56 Complete Upper Receiver with 7.3" Enhanced M-LOK Handguard - Cerakote FDE - APAR640270M102

Aero Precision M4E1 Enhanced 8" 5.56 Complete Upper Receiver with 7.3" Enhanced M-LOK Handguard - Cerakote FDE - APAR640270M102

$369 99 $544.99
In Stock
Only 2 Left!
Aero Precision M4E1 Threaded 8" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700701M102

Aero Precision M4E1 Threaded 8" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700701M102

$349 99 $509.99
In Stock
Only 4 Left!
Aero Precision M4E1 Threaded 8" 5.56 Complete Upper Receiver with 7.3" ATLAS S-ONE Handguard - Anodized Black - APAR700101M102

Aero Precision M4E1 Threaded 8" 5.56 Complete Upper Receiver with 7.3" ATLAS S-ONE Handguard - Anodized Black - APAR700101M102

$329 99 $509.99
In Stock
Only 3 Left!
Aero Precision M4E1 Threaded 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9.2" M-LOK ATLAS S-ONE Handguard - Anodized Black - APAR712102M2

Aero Precision M4E1 Threaded 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9.2" M-LOK ATLAS S-ONE Handguard - Anodized Black - APAR712102M2

$369 99 $449.99
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Aero Precision M4E1 Enhanced 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9" M-LOK Handguard - Anodized Black - APAR612275M2

Aero Precision M4E1 Enhanced 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9" M-LOK Handguard - Anodized Black - APAR612275M2

$379 99 $454.99
In Stock
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Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS S-ONE Handguard - Kodiak Brown Anodized - APAR700392M7

Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS S-ONE Handguard - Kodiak Brown Anodized - APAR700392M7

$499 99 $589.99
In Stock
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Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS R-ONE Handguard - OD Green Anodized - APAR700178M7

Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS R-ONE Handguard - OD Green Anodized - APAR700178M7

$499 99 $589.99
In Stock
Only 4 Left!
Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS R-ONE Handguard - Kodiak Brown Anodized - APAR700401M7

Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS R-ONE Handguard - Kodiak Brown Anodized - APAR700401M7

$519 99 $589.99
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Aero Precision M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel, 10.3" ATLAS R-ONE M-LOK HG - Kodiak Brown Anodized - APAR700397M29

Aero Precision M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel, 10.3" ATLAS R-ONE M-LOK HG - Kodiak Brown Anodized - APAR700397M29

$479 99 $549.99
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Aero Precision M4E1 Threaded 14.5" 5.56 Carbine Length Complete Upper Receiver with 12" ATLAS R-ONE Handguard - Anodized Black - APAR700704M32

Aero Precision M4E1 Threaded 14.5" 5.56 Carbine Length Complete Upper Receiver with 12" ATLAS R-ONE Handguard - Anodized Black - APAR700704M32

$389 99 $564.99
In Stock
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Aero Precision M4E1 Threaded 10.5" 5.56 Complete Upper Receiver with 9" ATLAS R-ONE Handguard - Cerakote FDE - APAR700712M2

Aero Precision M4E1 Threaded 10.5" 5.56 Complete Upper Receiver with 9" ATLAS R-ONE Handguard - Cerakote FDE - APAR700712M2

$489 99 $569.99
In Stock
Only 1 Left!
Aero Precision M4E1 Threaded 10.5" 5.56 Carbine Complete Upper with 9.3" ATLAS S-ONE, VG6 Epsilon 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100415

Aero Precision M4E1 Threaded 10.5" 5.56 Carbine Complete Upper with 9.3" ATLAS S-ONE, VG6 Epsilon 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100415

$599 99 $649.99
In Stock
Only 4 Left!
Aero Precision M4E1 Enhanced 16" 5.56 M4 CMV Carbine Barrel Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M6

Aero Precision M4E1 Enhanced 16" 5.56 M4 CMV Carbine Barrel Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M6
$419 99 $579.99
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Aero Precision AR15 Complete Upper, 10.5" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine Handguard - Anodized Black - APAR502505M3

Aero Precision AR15 Complete Upper, 10.5" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine Handguard - Anodized Black - APAR502505M3

$309 99 $389.99
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Aero Precision AR15 Complete Upper, 10.5" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine Handguard - Anodized Black with FDE - APAR502506M3

Aero Precision AR15 Complete Upper, 10.5" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine Handguard - Anodized Black with FDE - APAR502506M3

$299 99 $389.99
In Stock
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Aero Precision M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel with Pinned Epsilon 556SL, 12" M-LOK ATLAS S-ONE HG - Anodized Black - APAR700304M68

Aero Precision M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel with Pinned Epsilon 556SL, 12" M-LOK ATLAS S-ONE HG - Anodized Black - APAR700304M68

$379 99 $654.99
In Stock
Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, MOE Mid-Length - FDE - APAR502504M65

Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, MOE Mid-Length - FDE - APAR502504M65
$299 99 $414.99
In Stock
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Aero Precision M4E1 Threaded 13.9" 5.56 Mid-Length No Forward Assist Complete Upper with 12.7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APSL100634

Aero Precision M4E1 Threaded 13.9" 5.56 Mid-Length No Forward Assist Complete Upper with 12.7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APSL100634

$399 99 $549.99
In Stock
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Aero Precision M4E1 Threaded 11.5" 5.56 NATO No Forward Assist Complete Upper w/ 10.3" M-LOK ATLAS R-ONE Handguard - Kodiak Brown Anodized - APSL100626

Aero Precision M4E1 Threaded 11.5" 5.56 NATO No Forward Assist Complete Upper w/ 10.3" M-LOK ATLAS R-ONE Handguard - Kodiak Brown Anodized - APSL100626

$399 99 $499.99
In Stock
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Tacfire 5.56x45mm 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard, and Adjustable Gas Block - BU-556-5

Tacfire 5.56x45mm 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard, and Adjustable Gas Block - BU-556-5

$309 19
In Stock
Tacfire 5.56x45mm 10" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-10

Tacfire 5.56x45mm 10" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-10
$267 18
In Stock
Only 5 Left!
Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with 15" ATLAS R-ONE Handguard - Cerakote FDE - APAR700715M6

Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with 15" ATLAS R-ONE Handguard - Cerakote FDE - APAR700715M6

$374 99 $614.99
In Stock
Only 1 Left!
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