Aero Precision Complete Upper Receiver, M4E1, 16In, 5.56 Mid Pencil Barrel, EQ-12 HG Gen 2, Anodized Black, APAR640231Q39

Aero Precision Complete Upper M4E1-E .223 Wylde 18in Mid-Length EQ15 Anodized Black APAR600251Q73

Aero Precision Complete Upper Receiver, M4E1-E, 18In, .223 Wylde Fluted Barrel, EM-15 Handguard Gen 2 Cerakote, Flat Dark Earth, APAR640252M51

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver, 10.5in 5.56 Carbine, SM9.2, FDE, APAR712112M2

Aero Precision Complete Upper Receiver, M4E1, 10.5In, 5.56 Barrel W/ FSB, EQ-7 HG Gen 2, FDE Cerakote, APAR640212Q3

Aero Precision M4E1-T Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, RM15, FDE Cerakote, APAR700735M53

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver, 16in 5.56 Mid, SM15, Anodized Black, APAR712105M7

Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC

Aero Precision M4E1 Threaded Stripped Upper Receiver 223 Remington/5.56 NATO, 7075-T6 Aluminum, Black Anodized, APAR700201C

Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16In, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M7

Aero Precision MOD4 15 18 Inch 223 Wylde PROOF 5.56x45mm M4E1-T Complete Upper Receiver, OD Green, APAR700011D111

Aero Precision Complete Upper Receiver, M4E1-T, RM-15, 5.56x45mm NATO, 16In, Government, Mid Length, 1 in 7, 1/2 X 28, 15In, A2 Flash Hider, Anodized, OD Green, APAR700178M7

Aero Precision Complete Upper Receiver, M4E1-T, 10.5In, 5.56 Barrel, 9in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700312M2

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 10,5In, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700702M2

Aero Precision M4E1-T PRO CHF, M4, 5.56Mm, 13.9 Inch Complete Upper Receiver, Hanson, Mid Length, 1-7 Twist, A2 Birdcage, Anodized, Black, APAR700003D114

Aero Precision M4E1 Enhanced Stripped Upper Receiver, Kodiak Brown, APAR600216AC

Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 X 45, 12.5Inch, Government, Carbine, 1-7 Twist, 1/2 X 28 Thread, Anodized, Black, APAR700703M30

Aero Precision Lower Parts Kit, M4E1, Magpul MOE SL, No Fire Control Group/Trigger, Anodized Black, APRH100986

Aero Precision Complete Upper, M4E1-E, .223 Wylde, 18In, Mid-Length, EQ15 Cerakote, FDE Cerakote, APAR600252Q73

Aero Precision M4E1-T 5.56X45 10.6 Inch MOD 4 Upper Receiver, Government, Carbine Length, 1 in 7 Twist, A2 Bird Cage, Black, APAR700005D29

Aero Precision Complete Upper, M4E1-E, .223 Wylde, 16In, Mid-Length, EQ15 Cerakote, FDE, APAR600252Q72

Aero Precision M4E1 Mid Barrel Complete Upper Receiver W/Flash Hider, AR-15, 5.56x45mm NATO, 16in Mid Length Barrel, 12in M-LOK Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232M7

Aero Precision Complete Upper Receiver, M4E1, .300 Barrel EM-7 HG, No BCG/Charging Handle, Gen 2, FDE Cerakote, 8In, APAR600212M1

Aero Precision M4E1 Complete Upper Receiver, 18In, .223 Wylde Rifle Barrel, EQ-15 HG Gen 2, Cerakote, FDE, APAR640252Q42

Aero Precision Lower Parts Kit, M4E1, Magpul MOE, No Fire Control Group/Trigger, Flat Dark Earth, APRH100985

Aero Precision Complete Upper Receiver, M4E1, .223 Wylde Mid Barrel EQ-12 HG, No BCG/Charging Handle, Gen 2, Anodized Black, 16In, APAR600231Q9

Aero Precision Complete Upper Receiver, M4E1-T, 5.56x45mm NATO, 20In, Government, Rifle Length, 1 in 7, 1/2 X 28, 15In, A2 Flash Hider, Cerakote, FDE, APAR700715M48

Aero Precision Complete Upper, M4E1-E, 5.56, 8In, Pistol Barrel, EM7.3 Anodized, Black, APAR640269M102

Aero Precision M4E1 Gen 2 Complete Upper Receiver, 18In, .223 Wylde Fluted Barrel, Atlas S-ONE 15in M-LOK HG, Anodized W/BCG/CH, Black, APAR900003

Aero Precision M4E1-T SM10.3 5 Complete Upper, 5.56 X 45, 12.5Inch, Government, Carbine, 1-7 Twist, 1/2 X 28 Thread, Anodized, Black, APAR700103M30

Aero Precision Complete Upper, M4E1-T, 5.56, 8In, Pistol Barrel, RM7.3 Cerakote, FDE, APAR700711M102

Aero Precision M4E1-E EQ15 Complete Upper, 5.56 X 45, 16Inch, HBAR, Mid Length, 1-7 Twist, 1/2 X 28 Thread, Cerakote, FDE, APAR600224Q97

Aero Precision SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel, Black, APAR700103M29

Aero Precision M4E1 Enhanced Assembled Upper Receiver, FDE, APAR600202AC

Aero Precision RM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel, Black, APAR700703M29

Aero Precision M4E1 Threaded Complete Upper, 7.5in 5.56 Barrel, ATLAS R-ONE 7in M-LOK HG, Anodized Black, APAR700701M0