Aero Precision M4E1 Enhanced Stripped Upper Receiver Kodiak Brown APAR600216AC

Aero Precision M4E1 Enhanced Stripped Upper Receiver OD Green APAR600215AC

Aero Precision M4E1 Enhanced Stripped Upper Receiver OD Green APAR600215AC. Developed using several of the most extremely durable and dependable components around these AR15 Upper Receivers through Aero Precision will provide you with a product that... ... 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 M4E1 5.56 Enhanced Upper Receiver No Forward Assist FDE Cerakote APAR612202AC

Aero Precision M4E1 5.56 Enhanced Upper Receiver No Forward Assist FDE Cerakote APAR612202AC. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver itself. Through superior engineering... ... more

Aero Precision M4E1 Enhanced No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine EM-9.3 FDE APAR612276M2

Aero Precision M4E1 Enhanced No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine EM-9.3 FDE APAR612276M2. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver itself. Through... ... more

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q38

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q38. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new... ... 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 .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 M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard FDE APAR712712M4

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard FDE APAR712712M4. 300 AAC Blackout Complete Upper Receiver was made to be the best item for anyone trying to find a high quality choice.. Developed... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black APAR640251M8

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black APAR640251M8. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In... ... more

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Cerakote Flat Dark Earth APAR640252M50

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Cerakote Flat Dark Earth APAR640252M50. Specifications for Aero Precision M4E1 Enhanced 16in .223 Wylde Fluted Complete Upper Receiver with Flash Hider:... ... more

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 20in Government Rifle Length 1 in 7 1/2 x 28 15in A2 Flash Hider Cerakote FDE

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 20in Government Rifle Length 1 in 7 1/2 x 28 15in A2 Flash Hider Cerakote FDE. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual... ... 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 M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EM-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211M3

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EM-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211M3. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M51

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M51. 223 Wylde fluted barrel complete with an ATLAS handguard The upper receiver is enhanced with new enhanced forging... ... more

Aero Precision Complete Upper Receiver with Flash Hider M4E1 .300 Barrel EM-9 HG No BCG/Charging Handle Gen 2 Anodized Black 10in APAR600221M4

Aero Precision Complete Upper Receiver with Flash Hider M4E1 .300 Barrel EM-9 HG No BCG/Charging Handle Gen 2 Anodized Black 10in APAR600221M4. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... more

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

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EQ-15 HG Gen 2 Cerakote FDE APAR640252Q42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... ... more

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 Gen 2 Complete Upper Receiver 18in .223 Wylde Fluted Barrel Atlas S-ONE 15in M-LOK HG Anodized W/BCG/CH Black APAR900003. 56 Barrel Complete Upper Receiver. While Aero Precision built these AR15 Upper Receivers these specific ones... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... 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 Enhanced Upper Receiver 5.56 NATO

Aero Precision M4E1 Enhanced Upper Receiver 5.56 NATO. 56 NATO - The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with M4 feedramps .250 takedown pin... ... more

Aero Precision M4E1 Complete Upper Receiver 5.56 Mid Barrel EM-12 HG No BCG/Charging Handle Anodized Black 14.5in APAR600231M5

Aero Precision M4E1 Complete Upper Receiver 5.56 Mid Barrel EM-12 HG No BCG/Charging Handle Anodized Black 14.5in APAR600231M5. 56 Mid Barrel EM-12 HG. Formulated by using some of the most extremely robust and dependable materials in existence these... ... more

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M5

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M5. 5in 5.56 Mid-Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider. Aero Precision designed these AR15... ... more

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

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in Fluted Barrel 1-8 Twist A2 Flash Hider 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 Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252M14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252M14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these AR15... ... more

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Anodized Black APAR640251M42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Anodized Black APAR640251M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... ... more

Aero Precision Complete Upper Receiver M5 .308 Winchester 20in Heavy Rifle Length 1 in 10 5/8 x 24 15in A2 Flash Hider Anodized Kodiak Brown

Aero Precision Complete Upper Receiver M5 .308 Winchester 20in Heavy Rifle Length 1 in 10 5/8 x 24 15in A2 Flash Hider Anodized Kodiak Brown. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision Complete Upper Receiver M4E1-E 18in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Anodized Black APAR640232M51

Aero Precision Complete Upper Receiver M4E1-E 18in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Anodized Black APAR640232M51. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a... ... 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 M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal.... ... more

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EQ-15 HG Gen 2 Anodized Black APAR640251Q42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EQ-15 HG Gen 2 Anodized Black APAR640251Q42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... ... more

Aero Precision Complete Upper Receiver M4E1-T 18in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M8

Aero Precision Complete Upper Receiver M4E1-T 18in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M8. 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 20in 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 20in 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 Complete Upper Receiver M4E1-T 10in .300 Blackout Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700302M4

Aero Precision Complete Upper Receiver M4E1-T 10in .300 Blackout Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700302M4. 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