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 M4E1-T SM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700115M97

Aero Precision M4E1-T SM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700115M97. Specifications for Aero Precision M4E1-T SM15 5.56 x 45 Complete Upper: Manufacturer: Aero Precision Cartridge: 5.56x45mm... ... more

Aero Precision M4E1-E EM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR600294M97

Aero Precision M4E1-E EM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR600294M97. 56 x 45 Complete Upper was created in order to be the ideal product for any person trying to find a top quality option..... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS S-ONE M-LOK

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS S-ONE M-LOK. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS R-ONE Handguard A2 Flash Hider Cerakote OD Green

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS R-ONE Handguard A2 Flash Hider Cerakote OD Green. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD Green

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD Green. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers... ... more

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 Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M7. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by... ... more

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 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. 3 5.56 x 45 Complete Upper then you've found yourself in the absolute right location.. These AR15 Upper... ... more

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 Cerakote FDE APAR700113M30

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 Cerakote FDE APAR700113M30. 3 5.56 x 45 Complete Upper then you've found yourself in the absolute right location.. These AR15 Upper Receivers... ... more

Aero Precision M4E1-T RM10.3 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700713M30

Aero Precision M4E1-T RM10.3 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700713M30. 3 5.56 x 45 Complete Upper. Established using several of the most durable and long lasting materials in existence... ... more

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 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. 3 5.56 x 45 Complete Upper. Established using several of the most durable and long lasting materials in existence... ... more

Aero Precision Complete Upper M4E1-E 5.56 20in Rifle Barrel 1/7 Twist EQ15 Cerakote Black APAR640251Q48

Aero Precision Complete Upper M4E1-E 5.56 20in Rifle Barrel 1/7 Twist EQ15 Cerakote Black APAR640251Q48. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for the... ... more

Aero Precision M4E1-T RM15 Complete Upper 5.56 x 45 16.3inch Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Kodiak Brown APUG700401M103-1

Aero Precision M4E1-T RM15 Complete Upper 5.56 x 45 16.3inch Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Kodiak Brown APUG700401M103-1. 56 Cold Hammer Forged Barrel that is paired with our 5.56 BCG. Included ATLAS R-ONE Handguard BREACH Charging... ... more

Aero Precision M4E1 15in ATLAS S-ONE M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black APAR700105M97

Aero Precision M4E1 15in ATLAS S-ONE M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black APAR700105M97. Specifications for Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider: Manufacturer: Aero... ... more

Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black Black APAR700705M97

Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black Black APAR700705M97. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider:... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 13.7in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 13.7in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded 5.56 16.3in Barrel Gov Profile Mid-Length GS 1-7 Twist 1/2 x 28 ATLAS R-ONE HG VG6 Delta Flash

Aero Precision Complete Upper Receiver M4E1 Threaded 5.56 16.3in Barrel Gov Profile Mid-Length GS 1-7 Twist 1/2 x 28 ATLAS R-ONE HG VG6 Delta Flash. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... more

Aero Precision M4E1 15in Enhanced M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black APAR600218M97

Aero Precision M4E1 15in Enhanced M-LOK Complete Upper 16in 5.56 HBAR CMV Mid-Length Barrel Anodized Black APAR600218M97. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a... ... more

Aero Precision M4E1-E Complete Upper 16in 5.56 Mid-Length BRL EM-15 Gen2 HG W/BCG/CH Flat Dark Earth APAR900002

Aero Precision M4E1-E Complete Upper 16in 5.56 Mid-Length BRL EM-15 Gen2 HG W/BCG/CH Flat Dark Earth APAR900002. 56 Barrel Complete Upper Receiver. While Aero Precision built these AR15 Upper Receivers these specific ones are only available right here... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black. 56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero Precision... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black. These AR15 Upper Receivers from the innovators at Aero Precision feature a 5.56 barrel that is chambered for... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 11.5in Carbine Length 1-7 Twist 10.3in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 11.5in Carbine Length 1-7 Twist 10.3in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD. 5in 5.56 w/ ATLAS S-ONE w/ A2 Flash Hider Handguard Complete Upper Receiver. Each of these AR15 Upper... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 11.5in Carbine Length 1-7 Twist 10.3in ATLAS R-ONE Handguard A2 Flash Hider Cerakote OD

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 11.5in Carbine Length 1-7 Twist 10.3in ATLAS R-ONE Handguard A2 Flash Hider Cerakote OD. The R-ONE line of handguards are designed with size and weight in mind providing the perfect addition to... ... more

Aero Precision Complete Upper M4E1-E 5.56 20in Rifle Barrel 1/7 Twist EQ15 FDE APAR640252Q48

Aero Precision Complete Upper M4E1-E 5.56 20in Rifle Barrel 1/7 Twist EQ15 FDE APAR640252Q48. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for the picatinny top... ... more

Aero Precision 5.56 CMV Barrel w/ Pinned FSB 16in Mid-Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100438

Aero Precision 5.56 CMV Barrel w/ Pinned FSB 16in Mid-Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100438. 56 CMV Barrel w/ Pinned FSB Carbine Length (C) Specifications for Aero Precision 5.56 CMV Barrel w/ Pinned FSB: Manufacturer: Aero... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote. 56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero Precision AR15... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M7

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M7. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by Aero... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M7

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M7. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by Aero... ... more

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700314M5

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700314M5. 5in 5.56 Mid-Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider. Aero Precision designed these... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision 5.56 CMV Barrel 14.5in Mid-Length 1/7 Twist 1/2-28 Thread Black APRH100068

Aero Precision 5.56 CMV Barrel 14.5in Mid-Length 1/7 Twist 1/2-28 Thread Black APRH100068. 56 Barrel is the perfect addition to your AR15 build. Crafted to mil- spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish this... ... more

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome... ... more

Aero Precision M4E1-E EM16.6 Complete Upper .223 Wylde 18inch SPR Rifle 1-8 Twist 1/2 x 28 Thread Anodized Black APAR600220M76

Aero Precision M4E1-E EM16.6 Complete Upper .223 Wylde 18inch SPR Rifle 1-8 Twist 1/2 x 28 Thread Anodized Black APAR600220M76. 6 .223 Wylde Rifle Complete Upper. Formulated working with several of the most extremely durable and long lasting components... ... more

Aero Precision M4E1-T SM15 PRO Complete Upper 5.56 x 45 16.3inch Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Kodiak Brown APUG700392M103-1

Aero Precision M4E1-T SM15 PRO Complete Upper 5.56 x 45 16.3inch Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Kodiak Brown APUG700392M103-1. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard BREACH... ... more

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float Keymod... ... more

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Length Barrel EQ-15 Gen 2 Handguard Anodized Black APAR640251Q39

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Length Barrel EQ-15 Gen 2 Handguard Anodized Black APAR640251Q39. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper... ... more

Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505731

Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505731. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150... ... more