Aero Precision Complete Upper Receiver M5 .308 Winchester 16in Government Mid Length 1 in 10 5/8 x 24 15in A2 Flash Hider Anodized Kodiak Brown

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 16in .308 Mid Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M22

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M23

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M23. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M23

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M23. 308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard. Aero Precision built these AR Handguards & Rails with a front... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538114M23

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538114M23. 308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard. Aero Precision built these AR Handguards & Rails with... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M23

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M23. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538714M23

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538714M23. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M23

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M23. 308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard. Aero Precision built these AR Handguards & Rails with a front... ... 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 16in .308 Mid Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538714M22

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538714M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M22

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M22. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. This upper by Aero Precision features an ATLAS S-ONE... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538114M22

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Flat Dark Earth APAR538114M22. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. This upper by Aero Precision features an ATLAS S-ONE... ... 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 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 M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

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 Kodiak

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 Kodiak. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Cerakote FDE

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 12.7in 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 Complete Upper Receiver M4E1-T SM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized Kodiak

Aero Precision Complete Upper Receiver M4E1-T SM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized Kodiak. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M23

Aero Precision M5 Complete Upper Receiver 16in .308 SS Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M23. 308 SS Complete Upper Receiver w/ ATLAS S-ONE Handguard. Aero Precision built these AR Handguards & Rails with... ... more

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 M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash... ... 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 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 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 M5 Complete Upper Receiver 20in .308 CMV Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M27

Aero Precision M5 Complete Upper Receiver 20in .308 CMV Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M27. To assist in your lightweight build this upper comes outfitted with an ATLAS S-ONE handguard that boasts a... ... more

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to... ... more

Aero Precision Complete Upper Receiver M4E1-T RM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-T RM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision Complete Upper Receiver M4E1-T SM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-T SM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition... ... more

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Cerakote FDE

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Cerakote FDE. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your... ... 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 5.56x45mm NATO 16in Government Carbine Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 16in Government Carbine Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M44

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M44. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M44

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M44. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth

Aero Precision M5 Complete Upper Receiver 18in 6.5 Creedmoor SS Mid-Length Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M72

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M72. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for... ... more