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Aero Precision AR15 Complete Upper, 10.5" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine Handguard - Anodized
Aero Precision M4E1 Threaded Complete Upper, 14.5" 5.56 Mid-Length Barrel with Pinned Gamma 556 SL, 12" M-LOK
Aero Precision M4E1 Threaded PRO Complete Upper, 16.3" 5.56 CHF Mid-Length Barrel with 15" ATLAS S-ONE M-LOK H
Aero Precision M4E1 Enhanced 10.5" 5.56 No Forward Assist Complete Upper Receiver with 9" M-LOK Handguard - An
Aero Precision M4E1 Enhanced 10.5" 5.56 Barrel Complete Upper Receiver with 9" Quad Rail - Anodized Black - AP
Aero Precision M4E1 Threaded 14.5" 5.56 Carbine Length Complete Upper Receiver with 12" ATLAS R-ONE Handguard
Aero Precision M4E1 Enhanced Complete Upper, 16" 5.56 HBAR MID-Length Barrel with 15" Enhanced Quad Rail Handg
Aero Precision M4E1 Threaded 20" 5.56 Complete Upper Receiver with 15" ATLAS R-ONE Handguard - Anodized Black
Aero Precision M4E1 Threaded 18" 5.56 Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE -
Aero Precision Threaded Complete Upper, 16" 5.56 HBAR Mid-Length Barrel with 15" ATLAS S-ONE M-LOK Handguard -
M4E1 Enhanced 10.5" 5.56 Barrel Complete Upper Receiver with 9" Enhanced Gen 2 M-LOK Handguard - Anodized Blac