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 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE Handguard FDE Cerakote

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE Handguard FDE Cerakote. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to... ... more

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Anodized Black

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist 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 M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 FDE APAR700315M72

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 FDE APAR700315M72. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate any... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard FDE Cerakote

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard FDE Cerakote. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M42

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... more

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M72

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M72. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate... ... more

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 FDE APAR600252M72

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 FDE APAR600252M72. 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 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard Black Anodized. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... 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 Complete Upper Receiver M4E1-T .223 Wylde 16in SPR - Fluted Mid Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M50

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 16in SPR - Fluted Mid Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M50. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

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

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

Aero Precision M4E1-T Complete Upper Receiver 16in .223 Wylde Fluted Barrel ATLAS R-ONE 15in M-Lok Handguard Anodized Black APAR700705M50

Aero Precision M4E1-T Complete Upper Receiver 16in .223 Wylde Fluted Barrel ATLAS R-ONE 15in M-Lok Handguard Anodized Black APAR700705M50. 223 Wylde fluted barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M9

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M9. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your lightweight... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote APAR700715M6

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote APAR700715M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash... ... more

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde SS Mid Barrel Quantum 12in M-LOK Handguard Flat Dark Earth APAR640114M9

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde SS Mid Barrel Quantum 12in M-LOK Handguard Flat Dark Earth APAR640114M9. Key features include the addition of built in anti-rotation tabs removable 4-slot picatinny rail section for front... ... 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 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 M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232M9

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232M9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in and... ... 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 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 Complete Upper M4E1-E .223 Wylde 16in Mid-Length EQ15 Anodized Black APAR600251Q72

Aero Precision Complete Upper M4E1-E .223 Wylde 16in Mid-Length EQ15 Anodized Black APAR600251Q72. 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 Complete Upper Receiver M4E1-T .223 Wylde 18in SPR - Fluted Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M51

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in SPR - Fluted Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M51. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision M4E1-T Complete Upper .223 Wylde 18in Rifle Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 FDE APAR700315M73

Aero Precision M4E1-T Complete Upper .223 Wylde 18in Rifle Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 FDE APAR700315M73. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate any... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M9

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M9. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your lightweight... ... more

Aero Precision M4E1-T Complete Upper .223 Wylde 18in Rifle Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M73

Aero Precision M4E1-T Complete Upper .223 Wylde 18in Rifle Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M73. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate... ... 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 M4E1 Threaded 5.56mm Complete Upper Receiver 105in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700702M2

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 105in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700702M2. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

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

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. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... 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 Complete Upper Receiver M4E1-T 5.56x45mm NATO 16in Government Carbine 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 Carbine 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... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in Government Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M42

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in Government Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M42. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

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

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

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 Cerakote FDE. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition... ... 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 R-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 R-ONE M-LOK. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more