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5.56x45 AR-15 Receiver Parts

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Aero Precision M4E1 Threaded 10.5" 5.56 Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700702M2

Aero Precision M4E1 Threaded 10.5" 5.56 Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700702M2

$538 13
In Stock
Only 4 Left!
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

$379 99 $499.99
In Stock
Only 1 Left!
Aero Precision M4E1 Threaded PRO Complete Upper with 16.3" 5.56 CHF Mid-Length Barrel and 15" ATLAS S-ONE Handguard - Anodized Black - APUG700105M103-1

Aero Precision M4E1 Threaded PRO Complete Upper with 16.3" 5.56 CHF Mid-Length Barrel and 15" ATLAS S-ONE Handguard - Anodized Black - APUG700105M103-1
$639 99 $1,029.99
In Stock
Only 3 Left!
Aero Precision M4E1 Enhanced Complete Upper, 16" 5.56 HBAR MID-Length Barrel with 15" Enhanced Quad Rail Handguard - Cerakote FDE - APAR600224Q97

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
In Stock
Only 4 Left!
Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATLAS S-ONE Handguard - OD Green Anodized - APAR700179M7

Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATLAS S-ONE Handguard - OD Green Anodized - APAR700179M7

$459 99 $589.99
In Stock
Only 1 Left!
Tacfire 5.56x45mm 7" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-7

Tacfire 5.56x45mm 7" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-7

$267 18
In Stock
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
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

$359 99 $549.99
In Stock
Only 4 Left!
Aero Precision M4E1 Threaded PRO Complete Upper, 16.3" 5.56 CHF Mid-Length Barrel with 15" ATLAS S-ONE M-LOK Handguard - Kodiak Brown Anodized - APUG700392M103-1

Aero Precision M4E1 Threaded PRO Complete Upper, 16.3" 5.56 CHF Mid-Length Barrel with 15" ATLAS S-ONE M-LOK Handguard - Kodiak Brown Anodized - APUG700392M103-1

$729 99 $1,029.99
In Stock
Only 3 Left!
Aero Precision Threaded PRO Complete Upper, 16.3" 5.56 CHF Mid-Length Barrel with 15" ATLAS R-ONE M-LOK Handguard - Kodiak Brown Anodized - APUG700401M103-1

Aero Precision Threaded PRO Complete Upper, 16.3" 5.56 CHF Mid-Length Barrel with 15" ATLAS R-ONE M-LOK Handguard - Kodiak Brown Anodized - APUG700401M103-1

$689 99 $1,029.99
In Stock
Only 3 Left!
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
Only 3 Left!
Aero Precision AR15 14.5" 5.56 Mid-Length Gov QPQ Barrel Complete Upper 13.5" Slimline Left Handed - Anodized Black - APSL100710

Aero Precision AR15 14.5" 5.56 Mid-Length Gov QPQ Barrel Complete Upper 13.5" Slimline Left Handed - Anodized Black - APSL100710

$359 99 $499.99
In Stock
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Aero Precision AR15 16" 5.56 Carbine-Length M4 QPQ Barrel Complete Upper 13.5" Slimline Handguard - Left Handed - Anodized Black - APSL100707

Aero Precision AR15 16" 5.56 Carbine-Length M4 QPQ Barrel Complete Upper 13.5" Slimline Handguard - Left Handed - Anodized Black - APSL100707

$349 99 $499.99
In Stock
Only 2 Left!
Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16" 5.56 M4 Carbine Length Barrel & 15" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73

Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 16" 5.56 M4 Carbine Length Barrel & 15" Enhanced M-LOK Handguard - Anodized Black - APAR100218M73

$739 99 $799.99
In Stock
Only 2 Left!
Aero Precision M4E1 Enhanced 14.5" 5.56 M4 Carbine Length Barrel Complete Upper Receiver - Anodized Black - APAR640231M32

Aero Precision M4E1 Enhanced 14.5" 5.56 M4 Carbine Length Barrel Complete Upper Receiver - Anodized Black - APAR640231M32

$359 99 $564.99
In Stock
Only 5 Left!
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 1 Left!
Tacfire 5.56x45mm 16" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-16

Tacfire 5.56x45mm 16" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-16
$274 98
In Stock
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

$729 99 $899.99
In Stock
Patriot Ordnance Factory 01988 P415 Complete Upper (Piston Driven Adj. Gas Block) 5.56x45mm NATO 16.50", OD Green Anodized, 3-Port Muzzle Brake, 14.50" MMR M-LOK Handguard

Patriot Ordnance Factory 01988 P415 Complete Upper (Piston Driven Adj. Gas Block) 5.56x45mm NATO 16.50", OD Green Anodized, 3-Port Muzzle Brake, 14.50" MMR M-LOK Handguard

$1394 52
In Stock
Only 3 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
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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 1 Left!
Sons of Liberty M4-89-14.5 M4-89 14.5" Rifle 556NATO 30rd

Sons of Liberty M4-89-14.5 M4-89 14.5" Rifle 556NATO 30rd

$1805 00
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!
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
In Stock
Only 1 Left!
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