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Aero Precision EPC-9 Enhanced 8.3" 9mm Complete Upper Receiver w/ Enhanced 7.3" Handguard - APAR620269M85
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Aero Precision M4E1 Enhanced 20" 6.5 Grendel Complete Upper Receiver - APAR640232M53
Brigade Manufacturing Upper Receiver - 9" Barrel - 9mm - Armor Black Cerakote - Mini Can Flash Hider - 8" U-Lo
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 - APAR538705M27
Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS R-ONE Handguard - Cerakote
Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - Cerakote
Aero Precision M4E1 Threaded Complete Upper 16" 5.56x45mm Mid-Length Barrel ATLAS R-ONE 15" M-LOK Handguard Ce
Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - Creakote FDE - APAR6
Aero Precision M4E1 Special Edition Thunder Ranch 14.5" 5.56 Mid-Length with 12" Atlas R-ONE Complete Upper Re
Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - APAR620218M87
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 - APAR620275M86
X Products Can Cannon Upper Receiver, Soda Can Launcher for AR-15 & M16
Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - APAR70030
Aero Precision - M4E1 Threaded Complete Upper - Semi-auto - 16" SS Barrel - .223 Wylde - Anodized Black - APAR70030
Alexander Arms UST-17ST Upper Receiver AR15 18" S/S Fluted w/KIT
CMMG Banshee 300 MKGS Complete Upper Receiver Group Kit 5" Barrel 9mm - Includes (3) 30rd Magazines - 94F17AA
CMMG Banshee 300 MK57 Complete Upper Receiver Group Kit 5" Barrel 5.7X28 - Includes (3) 40rd Magazines - 54F18E9
ATI ATI15MS556ML Complete AR-15 Upper Receiver .223/5.56 NATO 16" Barrel 1:8 Twist w/ 13" M-LOK Rail - Minor C
Bear Creek Arsenal AR-15 Basic Bear Barreled Upper .223 Wylde