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5.56x45 AR-15 Receiver Parts

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Aim Sports AR5CUB5 Complete AR-15 Build Kit 5.56x45mm NATO 16" Black Hardcoat Anodized Aluminum Rec Chrome Moly Barrel with Mid-Length Gas Tube for AR-15

Aim Sports AR5CUB5 Complete AR-15 Build Kit 5.56x45mm NATO 16" Black Hardcoat Anodized Aluminum Rec Chrome Moly Barrel with Mid-Length Gas Tube for AR-15

$449 99
In Stock
Aero Precision M4E1 Threaded Complete Upper, 13.9" 5.56x45mm CMV Mid-Length Barrel with 12.7" ATLAS S-ONE M-LOK Handguard - Cerakote FDE - APAR700114M99

Aero Precision M4E1 Threaded Complete Upper, 13.9" 5.56x45mm CMV Mid-Length Barrel with 12.7" ATLAS S-ONE M-LOK Handguard - Cerakote FDE - APAR700114M99

$609 99
In Stock
Only 5 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

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

$574 99
In Stock
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

$589 99
In Stock
Only 6 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

$589 99
In Stock
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Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 14.5" 5.56 Mid-Length Barrel & 12.7" Enhanced M-LOK Handguard - Anodized Black - APAR100217M72

Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 14.5" 5.56 Mid-Length Barrel & 12.7" Enhanced M-LOK Handguard - Anodized Black - APAR100217M72

$749 99 $899.99
In Stock
Ballistic Advantage 16" 5.56 Hanson Mid-Length with 15" Ballistic Advantage LOGIC Handguard AR-15 Complete Upper Receiver - BAUR10006

Ballistic Advantage 16" 5.56 Hanson Mid-Length with 15" Ballistic Advantage LOGIC Handguard AR-15 Complete Upper Receiver - BAUR10006

$512 05
In Stock
Only 5 Left!
Ballistic Advantage 13.9" 5.56 Hanson Mid-Length with 12" Ballistic Advantage LOGIC M-LOK Handguard AR-15 Complete Upper Receiver - BAUR10005

Ballistic Advantage 13.9" 5.56 Hanson Mid-Length with 12" Ballistic Advantage LOGIC M-LOK Handguard AR-15 Complete Upper Receiver - BAUR10005

$497 80
In Stock
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Ballistic Advantage 11.3" 5.56 Hanson Carbine Length with 10" Ballistic Advantage LOGIC M-LOK Handguard AR-15 Complete Upper Receiver .625 Gas Block Journal - BAUR10003

Ballistic Advantage 11.3" 5.56 Hanson Carbine Length with 10" Ballistic Advantage LOGIC M-LOK Handguard AR-15 Complete Upper Receiver .625 Gas Block Journal - BAUR10003

$464 55
In Stock
Only 2 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
Only 2 Left!
Gemtech 13833 Gvac Upper Receiver 5.56x45mm NATO 16.10", Black, 15" M-LOK Handguard, ETM Flash Hider, BCG Included

Gemtech 13833 Gvac Upper Receiver 5.56x45mm NATO 16.10", Black, 15" M-LOK Handguard, ETM Flash Hider, BCG Included

$741 16
In Stock
SilencerCo AC5065 SCO15 Stripped Upper Receiver Black Anodized Aluminum for Mil-Spec AR-15 Lower

SilencerCo AC5065 SCO15 Stripped Upper Receiver Black Anodized Aluminum for Mil-Spec AR-15 Lower

$219 00
In Stock
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

$454 99
In Stock
Only 3 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 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

$569 99
In Stock
Only 1 Left!
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

$564 99
In Stock
Only 4 Left!
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

$574 99
In Stock
Only 1 Left!
Spikes Tactical Midlength Complete 5.56x45mm NATO 16", Black, 12" Picatinny Handguard, A2 Flash Hider

Spikes Tactical Midlength Complete 5.56x45mm NATO 16", Black, 12" Picatinny Handguard, A2 Flash Hider

$790 22
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

$509 99
In Stock
Only 4 Left!
LBE ARUPPER AR Upper Recv w/ASST

LBE ARUPPER AR Upper Recv w/ASST

$106 58
In Stock
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

$544 99
In Stock
Only 1 Left!
Aero Precision M4E1 Threaded Complete Upper, 13.9" 5.56x45mm CMV Mid-Length Barrel with 12.7" ATLAS S-ONE M-LOK Handguard - Anodized Black - APAR700104M99

Aero Precision M4E1 Threaded Complete Upper, 13.9" 5.56x45mm CMV Mid-Length Barrel with 12.7" ATLAS S-ONE M-LOK Handguard - Anodized Black - APAR700104M99

$574 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

$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

$449 99
In Stock
Only 3 Left!
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