levels.svg levels icon sort-down.svg sort down icon sort-up.svg sort up icon search.svg search icon user-circle.svg user circle icon cart-alt.svg cart icon plus.svg plus icon chevron-left.svg chevron left icon chevron-right.svg chevron right icon phone.svg phone icon zoom-in.svg zoom in icon

ENTER TO WIN OUR CURRENT CONTEST

5.56x45 Rifle Parts

1-24 of 264 Products
Sort By:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. ...
  7. 11
Ballistic Advantage AR-15 5.56x45mm Complete Bolt Carrier Group, Nitride - BAPA100086

Ballistic Advantage AR-15 5.56x45mm Complete Bolt Carrier Group, Nitride - BAPA100086
$123 49
In Stock
Only 2 Left!
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length QPQ No Forward Assist Complete Upper with 13.5" Slimline Handguard - Kodiak Brown Anodized - APSL100765

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length QPQ No Forward Assist Complete Upper with 13.5" Slimline Handguard - Kodiak Brown Anodized - APSL100765

$449 99 $539.99
In Stock
Only 1 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
Ballistic Advantage 5.56x45mm Complete AR-15 Bolt Carrier Group - Nickel Boron - BAPA100002

Ballistic Advantage 5.56x45mm Complete AR-15 Bolt Carrier Group - Nickel Boron - BAPA100002

$175 74
In Stock
Only 6 Left!
Aero Precision AR15 16" 5.56 Mid-Length Complete Upper, with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black - APSL100731

Aero Precision AR15 16" 5.56 Mid-Length Complete Upper, with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black - APSL100731

$399 99 $549.99
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 1 Left!
Aero Precision M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel, 10.3" ATLAS R-ONE M-LOK HG - ODG Anodized - APAR700396M29

Aero Precision M4E1 Threaded Complete Upper, 11.5" 5.56 Barrel, 10.3" ATLAS R-ONE M-LOK HG - ODG Anodized - APAR700396M29

$369 99 $549.99
In Stock
Only 5 Left!
Aero Precision M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel with 10.3" ATLAS R-ONE M-LOK Handguard - Anodized Black - APAR700703M30

Aero Precision M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel with 10.3" ATLAS R-ONE M-LOK Handguard - Anodized Black - APAR700703M30

$439 99 $554.99
In Stock
Only 2 Left!
Aero Precision 10.5" 5.56 CMV Barrel with Pinned FSB, Carbine Length - APRH100120C

Aero Precision 10.5" 5.56 CMV Barrel with Pinned FSB, Carbine Length - APRH100120C

$159 99 $199.99
In Stock
Only 1 Left!
Stag Arms STAG 15 Tactical Complete Right Handed AR-15 Upper Receiver, 10.5" Black Nitride Barrel with Aero Precision BREACH Charging Handle & BCG - STAG15100312L

Stag Arms STAG 15 Tactical Complete Right Handed AR-15 Upper Receiver, 10.5" Black Nitride Barrel with Aero Precision BREACH Charging Handle & BCG - STAG15100312L
$449 99 $499.99
In Stock
Only 2 Left!
Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB, MOE Carbine - Anodized Black - APAR502503M64

Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB, MOE Carbine - Anodized Black - APAR502503M64
$269 99 $409.99
In Stock
Only 6 Left!
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
$280 37
In Stock
Aero Precision M4E1 Threaded 10.5" 5.56 Carbine No Forward Assist Complete Upper with 9.3" M-LOK ATLAS R-ONE Handguard - OD Green Anodized - APSL100624

Aero Precision M4E1 Threaded 10.5" 5.56 Carbine No Forward Assist Complete Upper with 9.3" M-LOK ATLAS R-ONE Handguard - OD Green Anodized - APSL100624

$369 99 $484.99
In Stock
Only 3 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 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
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
Only 3 Left!
Aero Precision AR15 20" 5.56 Complete Upper with Pinned FSB & A2 Handguard - Anodized Black - APAR505611

Aero Precision AR15 20" 5.56 Complete Upper with Pinned FSB & A2 Handguard - Anodized Black - APAR505611
$379 99 $509.99
In Stock
Aero Precision M4E1 Enhanced 10.5" 5.56 Barrel Complete Upper Receiver with 9" Quad Rail - Anodized Black - APAR640221Q2

Aero Precision M4E1 Enhanced 10.5" 5.56 Barrel Complete Upper Receiver with 9" Quad Rail - Anodized Black - APAR640221Q2
$434 99 $534.99
In Stock
Only 4 Left!
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
Only 4 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!
Aero Precision M4E1 15" ATLAS R-ONE M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR700705M97

Aero Precision M4E1 15" ATLAS R-ONE M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR700705M97

$389 99 $589.99
In Stock
Only 2 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 5 Left!
Aero Precision M4E1 Threaded 14.5" 5.56 Mid-Length QPQ No Forward Assist Complete Upper with 13.5" Slimline Handguard - Kodiak Brown Anodized - APSL100753

Aero Precision M4E1 Threaded 14.5" 5.56 Mid-Length QPQ No Forward Assist Complete Upper with 13.5" Slimline Handguard - Kodiak Brown Anodized - APSL100753

$439 99 $534.99
In Stock
Only 4 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
$294 44
In Stock
1-24 of 264 Products
Sort By:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. ...
  7. 11
 
  Loading...