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Stack Barreled Upper Receivers

23 Product(s)
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Heckler & Koch MR762 A4 Upper Receiver Kit 7.62x51mm 16" Matte Black

Heckler & Koch MR762 A4 Upper Receiver Kit 7.62x51mm 16" Matte Black

$2649 00
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Heckler & Koch MR762 A4 Upper Receiver Kit 7.62x51mm 13" Barrel Black Finish

Heckler & Koch MR762 A4 Upper Receiver Kit 7.62x51mm 13" Barrel Black Finish

$2649 00
In Stock
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Cobalt Kinetics CK-Pro Upper Receiver Group AR-15 .223 Wylde 13.7" Barrel Black Cerakote Finish

Cobalt Kinetics CK-Pro Upper Receiver Group AR-15 .223 Wylde 13.7" Barrel Black Cerakote Finish

$759 58
In Stock
Only 1 Left!
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Cobalt Kinetics CK-Pro URG AR-15 Compatible 5.56 NATO 13.7" Barrel Black Cerakote Finish

Cobalt Kinetics CK-Pro URG AR-15 Compatible 5.56 NATO 13.7" Barrel Black Cerakote Finish

$759 58
In Stock
Only 1 Left!
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Rise Armament RA6ARCCUGRY18 6mm ARC AR-15 18" Upper Receiver

Rise Armament RA6ARCCUGRY18 6mm ARC AR-15 18" Upper Receiver

$999 00
In Stock
Only 5 Left!
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DPMS Kitty Kat AR-15 Upper, 5.56 NATO, 7.5" Barrel, Black Nitride Finish, 6.5" Quad Rail, DP51655207090.

DPMS Kitty Kat AR-15 Upper, 5.56 NATO, 7.5" Barrel, Black Nitride Finish, 6.5" Quad Rail, DP51655207090.

$421 79
In Stock
Only 6 Left!
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TacFire BU-300-8 AR-15 Complete Upper .300 AAC Blackout 8" Barrel Black Finish

TacFire BU-300-8 AR-15 Complete Upper .300 AAC Blackout 8" Barrel Black Finish

Out of Stock
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
Out of Stock
DPMS Kitty Kat C7 AR Upper 300 Blackout 7.5" Black Nitride/Hard Anodized Finish.

DPMS Kitty Kat C7 AR Upper 300 Blackout 7.5" Black Nitride/Hard Anodized Finish.

Out of Stock
DPMS Kitty Kat DP51655170308 AR-15 Compatible Upper 300 Blackout 7.5" Barrel Black Nitride Finish.

DPMS Kitty Kat DP51655170308 AR-15 Compatible Upper 300 Blackout 7.5" Barrel Black Nitride Finish.

Out of Stock
Aero Precision M4E1 Enhanced 20" 6.5 Grendel Complete Upper Receiver - APAR640232M53

Aero Precision M4E1 Enhanced 20" 6.5 Grendel Complete Upper Receiver - APAR640232M53
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
Alexander Arms UST-17ST Upper Receiver AR15 18" S/S Fluted w/KIT

Alexander Arms UST-17ST Upper Receiver AR15 18" S/S Fluted w/KIT
Out of Stock
Aero Precision M4E1 Threaded Complete Upper 16" 5.56x45mm Mid-Length Barrel ATLAS R-ONE 15" M-LOK Handguard Cerakote FDE - APAR700715M7

Aero Precision M4E1 Threaded Complete Upper 16" 5.56x45mm Mid-Length Barrel ATLAS R-ONE 15" M-LOK Handguard Cerakote FDE - APAR700715M7
Out of Stock
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

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 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
Out of 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

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 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
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 Complete Upper Receiver - 16" Barrel - .223/5.56 - APAR712705M7

Aero Precision - M4E1 Complete Upper Receiver - 16" Barrel - .223/5.56 - APAR712705M7
Out of Stock
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

Out of Stock
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