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5.56x45 Upper Receivers

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Aero Precision AR15 Complete Upper with 12.5" 5.56 Carbine Length Gov QPQ Barrel & Logic 9" M-LOK Handguard - Anodized Black - BLEM - APSL100476B

Aero Precision AR15 Complete Upper with 12.5" 5.56 Carbine Length Gov QPQ Barrel & Logic 9" M-LOK Handguard - Anodized Black - BLEM - APSL100476B

Out of Stock
Aero Precision AR15 Left Handed 14.5" 5.56 Carbine-Length M4 QPQ Complete Upper with 13.5" Slimline Handguard - Anodized - APSL100711

Aero Precision AR15 Left Handed 14.5" 5.56 Carbine-Length M4 QPQ Complete Upper with 13.5" Slimline Handguard - Anodized - APSL100711

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 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

Out of Stock
Aero Precision M4E1 Threaded 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" ATLAS S-ONE Handguard - Cerakote FDE - APAR700314M5

Aero Precision M4E1 Threaded 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" ATLAS S-ONE Handguard - Cerakote FDE - APAR700314M5

Out of Stock
Aero Precision M4E1 Threaded 14.5" 5.56 Mid-Length Complete Upper Receiver w/ ATLAS R-ONE Handguard -Cerakote FDE - APAR700714M5

Aero Precision M4E1 Threaded 14.5" 5.56 Mid-Length Complete Upper Receiver w/ ATLAS R-ONE Handguard -Cerakote FDE - APAR700714M5

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with ATLAS R-ONE Handguard - Magpul OD Cerakote - APAR700402M7

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with ATLAS R-ONE Handguard - Magpul OD Cerakote - APAR700402M7

Out of Stock
Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length HBAR CHM/PH Barrel & Logic 15" M-LOK Handguard - Anodized Black - BLEM - APSL100469B

Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length HBAR CHM/PH Barrel & Logic 15" M-LOK Handguard - Anodized Black - BLEM - APSL100469B

Out of Stock
Aero Precision M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" Quad Rail Handguard - Anodized Black - APAR640231Q5

Aero Precision M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" Quad Rail Handguard - Anodized Black - APAR640231Q5

Out of Stock
GGP GGPC-UR GGP Forged Upper Recv

GGP GGPC-UR GGP Forged Upper Recv

Out of Stock
Sharps Bros SBUR04 Billet Upper Stripped with Forward Assist & Dust Cover Black Anodized Aluminum Receiver for AR-15

Sharps Bros SBUR04 Billet Upper Stripped with Forward Assist & Dust Cover Black Anodized Aluminum Receiver for AR-15

Out of Stock
Aim Sports AR5CUB9 Complete Build Kit 5.56x45mm NATO 10.50" Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver 10" M-LOK Handguard for AR-15

Aim Sports AR5CUB9 Complete Build Kit 5.56x45mm NATO 10.50" Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver 10" M-LOK Handguard for AR-15

Out of Stock
Aim Sports AR5CUB8 Assembly 5.56x45mm NATO 10.50" Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver 10" M-LOK Handguard for AR-15

Aim Sports AR5CUB8 Assembly 5.56x45mm NATO 10.50" Black Nitride Barrel 7075-T6 Aluminum Black Anodized Receiver 10" M-LOK Handguard for AR-15

Out of Stock
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

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, Adjustable Gas Block, VG6 Gamma 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100414

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, Adjustable Gas Block, VG6 Gamma 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100414

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Magpul OD Cerakote - APAR700064M7

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Magpul OD Cerakote - APAR700064M7

Out of Stock
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
Out of Stock
Aero Precision M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver with 10.3" M-LOK ATLAS R-ONE Handguard - OD Cerakote - APAR700398M29

Aero Precision M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver with 10.3" M-LOK ATLAS R-ONE Handguard - OD Cerakote - APAR700398M29

Out of Stock
Foxtrot Mike .223 Wylde ( 5.56 Nato/.223 Rem ) 9" Complete Upper, M-LOK Handguard, Non Reciprocating Forward Charging Handle, BCG - FM15U-223-G2-9P3-D

Foxtrot Mike .223 Wylde ( 5.56 Nato/.223 Rem ) 9" Complete Upper, M-LOK Handguard, Non Reciprocating Forward Charging Handle, BCG - FM15U-223-G2-9P3-D
Out of Stock
Foxtrot Mike .223 Wylde ( 5.56 Nato/.223 Rem ) 13.9" Complete Upper, M-LOK Handguard, Non Reciprocating Forward Charging Handle, BCG - FM15U-223-G2-13.9M-2

Foxtrot Mike .223 Wylde ( 5.56 Nato/.223 Rem ) 13.9" Complete Upper, M-LOK Handguard, Non Reciprocating Forward Charging Handle, BCG - FM15U-223-G2-13.9M-2
Out of Stock
Aero Precision M4E1 Enhanced 14.5" 5.56 M4 Carbine Length Barrel Complete Upper Receiver with 12" Quad Rail Handguard - Anodized Black - APAR640231Q32

Aero Precision M4E1 Enhanced 14.5" 5.56 M4 Carbine Length Barrel Complete Upper Receiver with 12" Quad Rail Handguard - Anodized Black - APAR640231Q32

Out of Stock
Aero Precision M4E1 Threaded 7.5" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700701M0

Aero Precision M4E1 Threaded 7.5" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700701M0

Out of Stock
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

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, VG6 Epsilon 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100413

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, VG6 Epsilon 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100413
Out of Stock
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