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Semi-Auto Stack Upper Receivers

1-24 of 32 Products
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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
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Franklin Armory F17 L 20" Upper Kit 17 WSM 10rd Black - 0040073BLK

Franklin Armory F17 L 20" Upper Kit 17 WSM 10rd Black - 0040073BLK

$1119 27
In Stock
Only 2 Left!
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Aero Precision M5 22" 6.5 Creedmoor SS Complete Upper Receiver w/ ATLAS R-ONE Handguard - Cerakote FDE - APAR538715M46

Aero Precision M5 22" 6.5 Creedmoor SS Complete Upper Receiver w/ ATLAS R-ONE Handguard - Cerakote FDE - APAR538715M46

$814 99
In Stock
Only 1 Left!
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DPMS Panther Arms Kitty Kat 5.56 NATO 7.5" Upper Receiver Black Nitride

DPMS Panther Arms Kitty Kat 5.56 NATO 7.5" Upper Receiver Black Nitride

Out of Stock
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 M4E1 Threaded Assembled Receiver Set, No Forward Assist - Cerakote FDE - APCS100721

Aero Precision M4E1 Threaded Assembled Receiver Set, No Forward Assist - Cerakote FDE - APCS100721

Out of Stock
Aero Precision M4E1 Threaded Assembled Receiver Set - Anodized Black - APCS100177

Aero Precision M4E1 Threaded Assembled Receiver Set - Anodized Black - APCS100177
Out of Stock
Aero Precision AR15 Threaded Assembled Receiver Set - Anodized Black - APCS100820

Aero Precision AR15 Threaded Assembled Receiver Set - Anodized Black - APCS100820

Out of Stock
Aero Precision M5 (.308) Threaded Assembled Receiver Set - Anodized Black - APCS308159

Aero Precision M5 (.308) Threaded Assembled Receiver Set - Anodized Black - APCS308159

Out of Stock
Aero Precision M5 (.308) Threaded Assembled Receiver Set - Cerakote FDE - APCS308160

Aero Precision M5 (.308) Threaded Assembled Receiver Set - Cerakote FDE - APCS308160
Out of Stock
Aero Precision AR15 Threaded Assembled Receiver Set - Cerakote FDE - APCS100821

Aero Precision AR15 Threaded Assembled Receiver Set - Cerakote FDE - APCS100821

Out of Stock
Aero Precision AR15 Complete Upper with 12.5" 5.56 Carbine Length Barrel & 10.3" ATLAS R-ONE Handguard - Sniper Grey Anodized with Stripped Lower Receiver - APSL100561S

Aero Precision AR15 Complete Upper with 12.5" 5.56 Carbine Length Barrel & 10.3" ATLAS R-ONE Handguard - Sniper Grey Anodized with Stripped Lower Receiver - APSL100561S

Out of Stock
Aero Precision AR15 Complete Upper with 8" 5.56 Pistol Length QPQ Barrel & 7.3" ATLAS S-ONE Handguard - Sniper Grey Cerakote with Stripped Lower Receiver - APSL100559S

Aero Precision AR15 Complete Upper with 8" 5.56 Pistol Length QPQ Barrel & 7.3" ATLAS S-ONE Handguard - Sniper Grey Cerakote with Stripped Lower Receiver - APSL100559S

Out of Stock
Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length Heavy QPQ Barrel & 15" ATLAS R-ONE M-LOK Handguard - OD Green Anodized - BLEM - APSL100479B

Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length Heavy QPQ Barrel & 15" ATLAS R-ONE M-LOK Handguard - OD Green Anodized - BLEM - APSL100479B

Out of Stock
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
Out of Stock
Aero Precision M5E1 Complete Upper, 16" .308 Mid-Length Barrel w/ 15" Enhanced M-LOK Handguard & Adjustable Gas Block - Anodized Black - APSL100619

Aero Precision M5E1 Complete Upper, 16" .308 Mid-Length Barrel w/ 15" Enhanced M-LOK Handguard & Adjustable Gas Block - Anodized Black - APSL100619
Out of Stock
Aero Precision M5E1 Complete Upper, 16" .308 Mid-Length Barrel w/ 15" Enhanced M-LOK Handguard & Adjustable Gas Block - Kodiak Brown Anodized - APSL100611

Aero Precision M5E1 Complete Upper, 16" .308 Mid-Length Barrel w/ 15" Enhanced M-LOK Handguard & Adjustable Gas Block - Kodiak Brown Anodized - APSL100611

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 AR15 Threaded Assembled Receiver Set w/ Trigger Guard - Burnt Bronze Cerakote - APCS100823

Aero Precision AR15 Threaded Assembled Receiver Set w/ Trigger Guard - Burnt Bronze Cerakote - APCS100823
Out of Stock
Aero Precision M4E1 Builder Set with 7" ATLAS S-ONE Handguard - Anodized Black - APCS100179

Aero Precision M4E1 Builder Set with 7" ATLAS S-ONE Handguard - Anodized Black - APCS100179
Out of Stock
Aero Precision AR15 Threaded Assembled Receiver Set with Trigger Guard - OD Green Cerakote - APCS100822

Aero Precision AR15 Threaded Assembled Receiver Set with Trigger Guard - OD Green Cerakote - APCS100822
Out of Stock
Aero Precision EPC-9 Receiver Set Cerakote FDE - APCS620002

Aero Precision EPC-9 Receiver Set Cerakote FDE - APCS620002

Out of Stock
Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver - Anodized Black - APAR640211M1

Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver - Anodized Black - APAR640211M1
Out of Stock
Aero Precision M4E1 Threaded 8" .300 Blackout Complete Upper Receiver w/ ATLAS R-ONE Handguard - Anodized Black - APAR700701M1

Aero Precision M4E1 Threaded 8" .300 Blackout Complete Upper Receiver w/ ATLAS R-ONE Handguard - Anodized Black - APAR700701M1
Out of Stock
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