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Aero Precision M4E1 Threaded 16" .223 Wylde Fluted Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Bl
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Aero Precision M5E1 22" 6.5 Creedmoor SS Complete Upper w/ 15" Enhanced HG, Adjustable Gas Block, VG6 Gamma 65
Aero Precision M4E1 Threaded 18" .223 Wylde Fluted Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Ma
Aero Precision M5 Complete Upper with 16" .308 SS Mid-Length Barrel, Adjustable Gas Block & 15" ATLAS R-ON
Aero Precision M5E1 Complete Upper, 22" 6.5 Creedmoor Rifle Length Barrel with 15" M-LOK Handguard & Adjus
Aero Precision M4E1 Enhanced 16" .223 Wylde SS Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Ano
Aero Precision M4E1 Enhanced 18" .223 Wylde Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodiz
Aero Precision M4E1 Threaded 18" .223 Wylde Complete Upper Receiver with ATLAS S-ONE Handguard - Cerakote FDE - APA
Aero Precision M5E1 Enhanced 24" 6.5 Creedmoor Stainless Steel Complete Upper Receiver with 15" Enhanced M-LOK
Aero Precision M5 18" .308 SS Complete Upper Receiver with 15" ATLAS R-ONE Handguard - APAR538715M26