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Upper Receivers

145-192 of 290 Products
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Aero Precision EPC-9 Enhanced Receiver Set - Anodized Black - APCS620005

Aero Precision EPC-9 Enhanced Receiver Set - Anodized Black - APCS620005

Out of Stock
Aero Precision EPC-9 Enhanced Receiver Set - Cerakote FDE - APCS620006

Aero Precision EPC-9 Enhanced Receiver Set - Cerakote FDE - APCS620006

Out of Stock
Aero Precision EPC-9 Threaded 5.5" 9mm Complete Upper Receiver with ATLAS R-ONE 4.8" Handguard - Cerakote FDE - APAR620718M84

Aero Precision EPC-9 Threaded 5.5" 9mm Complete Upper Receiver with ATLAS R-ONE 4.8" Handguard - Cerakote FDE - APAR620718M84
Out of Stock
Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 12" ATLAS S-ONE Handguard - Anodized Black - APAR700304M14

Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 12" ATLAS S-ONE Handguard - Anodized Black - APAR700304M14
Out of Stock
Aero Precision AR15 Complete Upper with No Forward Assist, 16" .223 Wylde Fluted Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black - APAR610505M50

Aero Precision AR15 Complete Upper with No Forward Assist, 16" .223 Wylde Fluted Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black - APAR610505M50

Out of Stock
Aero Precision AR15 Complete Upper w/ No Forward Assist, 8" .300 Blackout Barrel, 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR610601M1

Aero Precision AR15 Complete Upper w/ No Forward Assist, 8" .300 Blackout Barrel, 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR610601M1

Out of Stock
Aero Precision M4E1 Enhanced 18" 5.56 Rifle Length Complete Upper Receiver with 15" Quad Rail - Anodized Black - APAR640251Q8

Aero Precision M4E1 Enhanced 18" 5.56 Rifle Length Complete Upper Receiver with 15" Quad Rail - Anodized Black - APAR640251Q8

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 M4E1 Threaded Assembled Receiver Set - Cerakote FDE - APCS100724

Aero Precision M4E1 Threaded Assembled Receiver Set - Cerakote FDE - APCS100724
Out of Stock
Aero Precision M4E1 Enhanced 20" 5.56 Rifle Length Complete Upper Receiver with 15" Quad Rail - Cerakote FDE - APAR640252Q48

Aero Precision M4E1 Enhanced 20" 5.56 Rifle Length Complete Upper Receiver with 15" Quad Rail - Cerakote FDE - APAR640252Q48
Out of Stock
Aero Precision AR15 Complete Upper with No Forward Assist, 11.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE Handguard - Anodized Black - APAR610502M29

Aero Precision AR15 Complete Upper with No Forward Assist, 11.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE Handguard - Anodized Black - APAR610502M29

Out of Stock
Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver with 7" Enhanced M-LOK Handguard - APAR640212M1

Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver with 7" Enhanced M-LOK Handguard - APAR640212M1
Out of Stock
Aero Precision M4E1 Threaded 18" .223 Wylde Complete Upper Receiver with ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M42

Aero Precision M4E1 Threaded 18" .223 Wylde Complete Upper Receiver with ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M42

Out of Stock
Aero Precision M4E1 Builder Set with 7" Enhanced Quad Rail Handguard - Anodized Black - APCS100199

Aero Precision M4E1 Builder Set with 7" Enhanced Quad Rail Handguard - Anodized Black - APCS100199

Out of Stock
ATI ATI15MS410KIT Omni Upper Kit 410 Ga 18.50" Stainless Steel Includes 5rd Mag

ATI ATI15MS410KIT Omni Upper Kit 410 Ga 18.50" Stainless Steel Includes 5rd Mag

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, VG6 GAMMA 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100366

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, VG6 GAMMA 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100366

Out of Stock
Aero Precision M5 18" .308 Rifle Length Complete Upper with 15" ATLAS R-ONE, VG6 GAMMA 762, BREACH Charging Handle, .308 BCG - Anodized Black - APSL100367

Aero Precision M5 18" .308 Rifle Length Complete Upper with 15" ATLAS R-ONE, VG6 GAMMA 762, BREACH Charging Handle, .308 BCG - Anodized Black - APSL100367

Out of Stock
Foxtrot Mike .223 Wylde ( 5.56 Nato/.223 Rem ) 16" Complete Upper, 15.5" M-LOK, Non Reciprocating Forward Charging Handle, W / BCG - FM556-GEN2-16

Foxtrot Mike .223 Wylde ( 5.56 Nato/.223 Rem ) 16" Complete Upper, 15.5" M-LOK, Non Reciprocating Forward Charging Handle, W / BCG - FM556-GEN2-16
Out of Stock
Knights Armament 32310 Upper Receiver Kit 300 Blackout 9.50" Black Barrel, Aluminum Black Receiver for SR-30 MOD 2

Knights Armament 32310 Upper Receiver Kit 300 Blackout 9.50" Black Barrel, Aluminum Black Receiver for SR-30 MOD 2

Out of Stock
Aero Precision M4E1 Threaded 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9.2" M-LOK ATLAS S-ONE Handguard - Cerakote FDE - APAR712112M2

Aero Precision M4E1 Threaded 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9.2" M-LOK ATLAS S-ONE Handguard - Cerakote FDE - APAR712112M2

Out of Stock
Aero Precision M4E1 Enhanced 10.5" 5.56 Complete Upper Receiver with Pinned FSB and 7" Quad Rail Handguard - Anodized Black - APAR640211Q3

Aero Precision M4E1 Enhanced 10.5" 5.56 Complete Upper Receiver with Pinned FSB and 7" Quad Rail Handguard - Anodized Black - APAR640211Q3

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
Radical Firearms Complete 8.5" .300 Blackout Upper, HBAR w/ 7" M-LOK RPR Rail - CFU8.5-300HBAR-RPR

Radical Firearms Complete 8.5" .300 Blackout Upper, HBAR w/ 7" M-LOK RPR Rail - CFU8.5-300HBAR-RPR

Out of Stock
Aero Precision M4E1 Threaded 7.5" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - FDE Cerakote - APAR700711M0

Aero Precision M4E1 Threaded 7.5" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - FDE Cerakote - APAR700711M0

Out of Stock
Aero Precision AR15 Assembled Upper Receiver, No M4 Feedramps - Anodized Black - APAR501641AC

Aero Precision AR15 Assembled Upper Receiver, No M4 Feedramps - Anodized Black - APAR501641AC

Out of Stock
Aero Precision AR15 Assembled Upper Receiver - Sniper Grey Cerakote - APAR501812AC

Aero Precision AR15 Assembled Upper Receiver - Sniper Grey Cerakote - APAR501812AC
Out of Stock
Aero Precision M4E1 Threaded Assembled Upper Receiver - Sniper Grey Cerakote - APAR700272AC

Aero Precision M4E1 Threaded Assembled Upper Receiver - Sniper Grey Cerakote - APAR700272AC

Out of Stock
AR57 50rd Polymer Magazine for PS90/AR57 Rifle Uppers, Translucent Black

AR57 50rd Polymer Magazine for PS90/AR57 Rifle Uppers, Translucent Black
Out of Stock
Aero Precision M4E1 Enhanced Upper Receiver/Enhanced 9" M-LOK Handguard Combo - Anodized Black - APAR640221M

Aero Precision M4E1 Enhanced Upper Receiver/Enhanced 9" M-LOK Handguard Combo - Anodized Black - APAR640221M

Out of Stock
Aero Precision AR15 Assembled Upper Receiver - Sniper Grey Cerakote - BLEM - APAR501812BAC

Aero Precision AR15 Assembled Upper Receiver - Sniper Grey Cerakote - BLEM - APAR501812BAC

Out of Stock
Aero Precision APAR700201C M4E1 Stripped Upper Receiver .223/5.56 NATO Cerakote FDE - BLEM - APAR700202BC

Aero Precision APAR700201C M4E1 Stripped Upper Receiver .223/5.56 NATO Cerakote FDE - BLEM - APAR700202BC

Out of Stock
Aero Precision M4E1 Threaded Assembled Upper Receiver - Sniper Grey Cerakote - BLEM - APAR700272BAC

Aero Precision M4E1 Threaded Assembled Upper Receiver - Sniper Grey Cerakote - BLEM - APAR700272BAC
Out of Stock
Aero Precision M4E1 Threaded Assembled Upper Receiver - ODG Cerakote - BLEM - APAR700417BAC

Aero Precision M4E1 Threaded Assembled Upper Receiver - ODG Cerakote - BLEM - APAR700417BAC
Out of Stock
Aero Precision AR15 M4E1 Enhanced Upper Receiver - FDE Cerakote - BLEM - APAR600202BAC

Aero Precision AR15 M4E1 Enhanced Upper Receiver - FDE Cerakote - BLEM - APAR600202BAC
Out of Stock
Aero Precision M5 (.308) Stripped Upper Receiver - FDE Cerakote - BLEM - APAR308505BC

Aero Precision M5 (.308) Stripped Upper Receiver - FDE Cerakote - BLEM - APAR308505BC
Out of Stock
Aero Precision M5 308 Winchester/7.62 NATO Assembled Upper Receiver - Cerakote FDE - BLEM - APAR308505BAC

Aero Precision M5 308 Winchester/7.62 NATO Assembled Upper Receiver - Cerakote FDE - BLEM - APAR308505BAC

Out of Stock
Aero Precision EPC-9 Threaded Upper Receiver with Last Round Bolt Hold Open - Cerakote FDE - BLEM - APAR620202BAC

Aero Precision EPC-9 Threaded Upper Receiver with Last Round Bolt Hold Open - Cerakote FDE - BLEM - APAR620202BAC
Out of Stock
Aero Precision M4E1 Threaded Assembled Upper Receiver, BREACH Charging Handle & 5.56 Black Nitride BCG - APSL100446S

Aero Precision M4E1 Threaded Assembled Upper Receiver, BREACH Charging Handle & 5.56 Black Nitride BCG - APSL100446S
Out of Stock
Aero Precision M4E1 Enhanced 16" .223 Wylde SS Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M9

Aero Precision M4E1 Enhanced 16" .223 Wylde SS Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M9
Out of Stock
Aero Precision - M4E1 Threaded Assembled Upper - No Forward Assist - FDE Cerakote - BLEM - APAR712202BAC

Aero Precision - M4E1 Threaded Assembled Upper - No Forward Assist - FDE Cerakote - BLEM - APAR712202BAC

Out of Stock
Tacfire .300 Blackout 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard, and Adjustable Gas Block - BU-300-5

Tacfire .300 Blackout 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard, and Adjustable Gas Block - BU-300-5

Out of Stock
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
Out of Stock
Tacfire 9mm 7" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-9MM-7

Tacfire 9mm 7" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-9MM-7
Out of Stock
Aero Precision M4E1 Enhanced Upper Receiver .223/5.56 NATO - Anodized Black - BLEM - APAR600201BAC

Aero Precision M4E1 Enhanced Upper Receiver .223/5.56 NATO - Anodized Black - BLEM - APAR600201BAC
Out of Stock
Aero Precision AR-15 Burnt Bronze Assembled Upper Receiver & BREACH Black/Tan Charging Handle with Large Lever - APSL100455S

Aero Precision AR-15 Burnt Bronze Assembled Upper Receiver & BREACH Black/Tan Charging Handle with Large Lever - APSL100455S

Out of Stock
Aero Precision AR-15 OD Cerakote Assembled Upper Receiver & Black/ODG BREACH Chagrining Handle with Small Lever - APSL100456S

Aero Precision AR-15 OD Cerakote Assembled Upper Receiver & Black/ODG BREACH Chagrining Handle with Small Lever - APSL100456S

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 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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