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5.56x45 Receiver Parts

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Aero Precision M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" Enhanced M-LOK Handguard - Cerakote FDE - APAR640232M5

Aero Precision M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" Enhanced M-LOK Handguard - Cerakote FDE - APAR640232M5

$479 99 $609.99
In Stock
Only 2 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 16" 5.56 Pencil Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700705M39

Aero Precision M4E1 Threaded 16" 5.56 Pencil Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700705M39

$469 99 $594.99
In Stock
Only 2 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

$318 75
In Stock
Only 4 Left!
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

$324 46
In Stock
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
$294 44
In Stock
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
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

$392 56
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!
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

$829 25
In Stock
Only 1 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
Radian Weapons R0435 Builder Kit Radian Black, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

Radian Weapons R0435 Builder Kit Radian Black, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

$1219 95
In Stock
Radian Weapons R0436 Builder Kit Radian Gray, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

Radian Weapons R0436 Builder Kit Radian Gray, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

$1219 95
In Stock
Only 5 Left!
Radian Weapons R0428 Builder Kit Radian Gray, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

Radian Weapons R0428 Builder Kit Radian Gray, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

$1254 95
In Stock
Radian Weapons R0427 Builder Kit Radian Black, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

Radian Weapons R0427 Builder Kit Radian Black, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

$1254 95
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
Only 4 Left!
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
Only 5 Left!
Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

$1379 56
In Stock
Only 3 Left!
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Patriot Brown Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Patriot Brown Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

$1125 68
In Stock
Only 2 Left!
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

$1087 65
In Stock
Only 4 Left!
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

$1055 02
In Stock
Only 3 Left!
Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard (Piston Driven)

Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard (Piston Driven)

$1379 56
In Stock
Only 2 Left!
Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

$1210 70
In Stock
Only 2 Left!
Aero Precision M4E1 15" Enhanced M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR600218M97

Aero Precision M4E1 15" Enhanced M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR600218M97
$499 99 $589.99
In Stock
Only 4 Left!
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