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Barreled Upper Receivers

1-24 of 32 Products
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Aero Precision M4E1 Threaded Complete Upper 16" 5.56x45mm Mid-Length Barrel ATLAS R-ONE 15" M-LOK Handguard Anodized Black - APAR700705M7

Aero Precision M4E1 Threaded Complete Upper 16" 5.56x45mm Mid-Length Barrel ATLAS R-ONE 15" M-LOK Handguard Anodized Black - APAR700705M7
$399 99 $589.99
In Stock
Aero Precision EPC-9 Enhanced 11" 9mm Complete Upper Receiver w/ Enhanced 9.3" Handguard - APAR620275M86

Aero Precision EPC-9 Enhanced 11" 9mm Complete Upper Receiver w/ Enhanced 9.3" Handguard - APAR620275M86

$299 99 $479.99
In Stock
Only 3 Left!
Aero Precision - M4E1 Complete Upper Receiver - 16" Barrel - .223/5.56 - APAR712705M7

Aero Precision - M4E1 Complete Upper Receiver - 16" Barrel - .223/5.56 - APAR712705M7
$429 99 $579.99
In Stock
Only 4 Left!
Aero Precision EPC-9 Enhanced 11" 9mm Complete Upper Receiver w/ Enhanced 9.3" Handguard - FDE - APAR620276M86

Aero Precision EPC-9 Enhanced 11" 9mm Complete Upper Receiver w/ Enhanced 9.3" Handguard - FDE - APAR620276M86

$359 99 $519.99
In Stock
Only 1 Left!
Alexander Firearms UST-17ST Upper Receiver AR15 18" S/S Fluted w/KIT

Alexander Firearms UST-17ST Upper Receiver AR15 18" S/S Fluted w/KIT
$799 12
In Stock
Only 4 Left!
Aero Precision M4E1 Enhanced 20" 6.5 Grendel Complete Upper Receiver - APAR640232M53

Aero Precision M4E1 Enhanced 20" 6.5 Grendel Complete Upper Receiver - APAR640232M53
TOO LOW TO SHOW
In Stock
Only 1 Left!
Aero Precision M5 20" .308 CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard - APAR538705M27

Aero Precision M5 20" .308 CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard - APAR538705M27
$439 99 $719.99
In Stock
Only 5 Left!
Aero Precision - M4E1 No Forward Assist Assembled Upper Receiver - 16" Barrel - .223/5.56 - APAR612218M7

Aero Precision - M4E1 No Forward Assist Assembled Upper Receiver - 16" Barrel - .223/5.56 - APAR612218M7

$389 99 $574.99
In Stock
Only 6 Left!
Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - Creakote FDE - APAR620294M87

Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - Creakote FDE - APAR620294M87

$369 99 $559.99
In Stock
Only 2 Left!
Aero Precision M4E1 Special Edition Thunder Ranch 14.5" 5.56 Mid-Length with 12" Atlas R-ONE Complete Upper Receiver - APAR700754M5

Aero Precision M4E1 Special Edition Thunder Ranch 14.5" 5.56 Mid-Length with 12" Atlas R-ONE Complete Upper Receiver - APAR700754M5
Out of Stock
Aero Precision EPC-9 Enhanced 8.3" 9mm Complete Upper Receiver w/ Enhanced 7.3" Handguard - APAR620269M85

Aero Precision EPC-9 Enhanced 8.3" 9mm Complete Upper Receiver w/ Enhanced 7.3" Handguard - APAR620269M85
Out of Stock
Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - APAR620218M87

Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - APAR620218M87
Out of Stock
Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - APAR700304M30

Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - APAR700304M30
Out of Stock
Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - Cerakote FDE - APAR700314M30

Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - Cerakote FDE - APAR700314M30
Out of Stock
Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS R-ONE Handguard - Cerakote FDE - APAR700714M30

Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS R-ONE Handguard - Cerakote FDE - APAR700714M30

Out of Stock
Aero Precision M5 20" .308 CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard - Cerakote FDE - APAR538715M27

Aero Precision M5 20" .308 CMV Complete Upper Receiver w/ ATLAS R-ONE Handguard - Cerakote FDE - APAR538715M27
Out of Stock
Brigade Manufacturing Upper Receiver - 9" Barrel - 9mm - Armor Black Cerakote - Mini Can Flash Hider - 8" U-Lok Rail - U091901V

Brigade Manufacturing Upper Receiver - 9" Barrel - 9mm - Armor Black Cerakote - Mini Can Flash Hider - 8" U-Lok Rail - U091901V

Out of Stock
Brigade Manufacturing - Upper Receiver - 5.5" Barrel - 9mm - Armor Black Cerakote - Mini Can Flash Hider - 5" U-Lok Rail - U091551V

Brigade Manufacturing - Upper Receiver - 5.5" Barrel - 9mm - Armor Black Cerakote - Mini Can Flash Hider - 5" U-Lok Rail - U091551V
Out of Stock
X Products Can Cannon Upper Receiver, Soda Can Launcher for AR-15 & M16

X Products Can Cannon Upper Receiver, Soda Can Launcher for AR-15 & M16
Out of Stock
Aero Precision - M4E1 Threaded Complete Upper - Semi-auto - 16" SS Barrel - .223 Wylde - Anodized Black - APAR700305M9

Aero Precision - M4E1 Threaded Complete Upper - Semi-auto - 16" SS Barrel - .223 Wylde - Anodized Black - APAR700305M9
Out of Stock
CBC Industries AR-15 Complete Upper Assembly 16" Barrel 7.62x39 1:10 Twist M-LOK Handguard 160-052

CBC Industries AR-15 Complete Upper Assembly 16" Barrel 7.62x39 1:10 Twist M-LOK Handguard 160-052
Out of Stock
CMMG Banshee 300 MKGS Complete Upper Receiver Group Kit 5" Barrel 9mm - Includes (3) 30rd Magazines - 94F17AA

CMMG Banshee 300 MKGS Complete Upper Receiver Group Kit 5" Barrel 9mm - Includes (3) 30rd Magazines - 94F17AA

Out of Stock
CMMG Banshee 300 MK57 Complete Upper Receiver Group Kit 5" Barrel 5.7X28 - Includes (3) 40rd Magazines - 54F18E9

CMMG Banshee 300 MK57 Complete Upper Receiver Group Kit 5" Barrel 5.7X28 - Includes (3) 40rd Magazines - 54F18E9
Out of Stock
ATI ATI15MS556ML Complete AR-15 Upper Receiver .223/5.56 NATO 16" Barrel 1:8 Twist w/ 13" M-LOK Rail - Minor Cosmetic Blemish

ATI ATI15MS556ML Complete AR-15 Upper Receiver .223/5.56 NATO 16" Barrel 1:8 Twist w/ 13" M-LOK Rail - Minor Cosmetic Blemish
Out of Stock
1-24 of 32 Products
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