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5.56x45 Receiver Parts

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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

$784 32
In Stock
Only 2 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

$429 99 $574.99
In Stock
Only 4 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

$389 99 $564.99
In Stock
Only 4 Left!
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

$429 99 $609.99
In Stock
Only 5 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

$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 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

$359 99 $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

$499 99 $589.99
In Stock
Only 6 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
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
Only 4 Left!
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
In Stock
Only 4 Left!
Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, M4 Handguard - Anodized Black - APAR505631

Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, M4 Handguard - Anodized Black - APAR505631
$279 99 $404.99
In Stock
Only 6 Left!
Del-Ton Inc RKT104 Heavy Mid-Length Rifle Kit 5.56x45mm NATO 16" Chrome Moly Vanadium Barrel 7075-T6 Anodized Aluminum Rec with A2 Flash Hider

Del-Ton Inc RKT104 Heavy Mid-Length Rifle Kit 5.56x45mm NATO 16" Chrome Moly Vanadium Barrel 7075-T6 Anodized Aluminum Rec with A2 Flash Hider

$374 08
In Stock
Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, MOE Mid-Length - Anodized Black - APAR502503M65

Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, MOE Mid-Length - Anodized Black - APAR502503M65

$359 99 $414.99
In Stock
Only 3 Left!
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
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
In Stock
Only 2 Left!
Aero Precision M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel with Pinned Gamma 556 SL, 12" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700704M5V38

Aero Precision M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel with Pinned Gamma 556 SL, 12" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700704M5V38

$449 99 $654.99
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
Only 5 Left!
Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700705M6

Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700705M6

$389 99 $579.99
In Stock
Only 5 Left!
Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine - Anodized Black - APAR502505M64

Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine - Anodized Black - APAR502505M64
$269 99 $409.99
In Stock
Only 4 Left!
Radian Weapons R0411 Builder Kit Radian Black, AX556 Ambi Lower, 14" Handgaurd, Includes Most Lower Parts

Radian Weapons R0411 Builder Kit Radian Black, AX556 Ambi Lower, 14" Handgaurd, Includes Most Lower Parts

$1359 70
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

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 5 Left!
Aero Precision AR15 Complete Upper, 10.5" 5.56 Carbine Barrel with Pinned FSB, MOE M-LOK Carbine Handguard - Anodized Black - APAR502503M3

Aero Precision AR15 Complete Upper, 10.5" 5.56 Carbine Barrel with Pinned FSB, MOE M-LOK Carbine Handguard - Anodized Black - APAR502503M3
$289 99 $389.99
In Stock
Only 3 Left!
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