Aero Precision M5E1 18in .308 Win/7.62x51mm NATO 4150 Chrome Moly V Complete Upper Receiver

Aero Precision Complete Upper Receiver M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard FDE APAR308556M69

Aero Precision Complete Upper Receiver M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard FDE APAR308556M69. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Aero Precision Complete Upper Receiver M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard Anodized Black APAR308554M69

Aero Precision Complete Upper Receiver M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard Anodized Black APAR308554M69. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 18in Government Rifle Length 1 in 7 1/2 x 28 15in A2 Flash Hider Cerakote FDE

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 18in Government Rifle Length 1 in 7 1/2 x 28 15in A2 Flash Hider Cerakote FDE. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to... ... more

Aero Precision M5E1 Complete Upper 18in .308 SS Rifle Barrel EM-15 Handguard Anodized W/BCG/CH Black APAR950000

Aero Precision M5E1 Complete Upper 18in .308 SS Rifle Barrel EM-15 Handguard Anodized W/BCG/CH Black APAR950000. 308 SS Complete Upper Receiver for unmatched performance and precision when taking down targets at the range. These AR15 Upper Receivers... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... ... more

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Cerakote FDE APAR308253M27

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Cerakote FDE APAR308253M27. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... ... more

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M27

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M27. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrell 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrell 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M27

Aero Precision M5E1 Complete Upper Reciever .308 16in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M27. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M22

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel anodized Black. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M26

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M26. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M26

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M26. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M26

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M26. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard FDE APAR538115M69

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard FDE APAR538115M69. 308 Winchester is a reliable foundation for your new build with an included M5 hand guard and barrel.... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M26

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M26. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M25

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M25. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M22

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M25

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M25. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. Forged from 7075 T6 aluminum these Aero Precision AR15 Upper... ... more

Aero Precision M5 Complete Upper Receiver w/Flash Hider 18in .308 Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M25

Aero Precision M5 Complete Upper Receiver w/Flash Hider 18in .308 Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M25. 308 CMV Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard is the perfect choice for your... ... more

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard Anodized Black

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard Anodized Black. 308 Winchester is a reliable foundation for your new build with an included M5 hand guard and barrel.... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M25

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M25. 308 CMV Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard is the perfect choice for your next AR... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M25

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M25. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. Forged from 7075 T6 aluminum these Aero Precision AR15... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EQ-7 HG No BCG/Charging Handle Gen 2 Anodized Black 8in APAR600211Q1

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EQ-7 HG No BCG/Charging Handle Gen 2 Anodized Black 8in APAR600211Q1. 300 Blackout Barrels are equipped with Chrome Moly Vanadium barrels. Along with solid fit and finish these AR15 Upper... ... more

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

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EM-7 HG No BCG/Charging Handle Gen 2 FDE Cerakote 8in APAR600212M1. 300 Blackout Barrels are equipped with Chrome Moly Vanadium barrels. Along with solid fit and finish these AR15 Upper Receivers... ... 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 Complete Upper Receiver M4E1 .300 Barrel EQ-7 HG No BCG/Charging Handle Gen 2 FDE Cerakote 8in APAR600212Q1

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EQ-7 HG No BCG/Charging Handle Gen 2 FDE Cerakote 8in APAR600212Q1. 300 Blackout Barrels are equipped with Chrome Moly Vanadium barrels. Along with solid fit and finish these AR15 Upper Receivers... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M25

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M25. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block... ... 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

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M27

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M27. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... ... more

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Carbine Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505621

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Carbine Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505621. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Chrome Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Chrome Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will... ... more

Aero Precision AR15 Complete Upper 16in 5.56 M4 Carbine Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505721

Aero Precision AR15 Complete Upper 16in 5.56 M4 Carbine Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505721. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Chrome Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Chrome Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EM-7 HG No BCG/Charging Handle Gen 2 Anodized Black 8in APAR600211M1

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EM-7 HG No BCG/Charging Handle Gen 2 Anodized Black 8in APAR600211M1. 300 Blackout Barrels are equipped with Chrome Moly Vanadium barrels. Along with solid fit and finish these AR15 Upper... ... more