Aero Precision M4E1

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

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 11.5in Government Carbine Length 1 in 7 1/2 x 28 10.3in A2 Flash Hider Anodized OD Green

Aero Precision Complete Upper Receiver M4E1-T .300 16in Blackout Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black

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 OD Green

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 RM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel FDE

Aero Precision RM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel Black

Aero Precision M4E1-T Complete Upper 20in 6.5 Grendel Stainless Steel Barrel SM15 Anodized Black

Aero Precision M4E1 Enhanced Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 12 in M-LOK Handguard Pinned VG6 Epsilon

Aero Precision Complete Upper Receiver w/Flash Hider M4E1 .300 Barrel EM-9 HG No BCG/Charging Handle Gen 2 FDE Cerakote 10in APAR600222M4

Aero Precision Complete Upper Receiver M4E1-T 8in .300 Blackout BRL 7in M-LOK ATLAS S-ONE HG Cerakote Flat Dark Earth

Aero Precision Complete Upper Receiver M4E1-T 10in .300 Blackout Barrel 9in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth

M4e1 Enhanced 5.56 Nato Assembled Upper Receiver For Ar-15 - M4e1 Enhanced 5.56mm Assembled Upper Rcvr For Ar-15 Kodiak

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 223 Wylde 18" Barrel 15" EM Gen2 Enhanced Handguard Black

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 10.5" Barrel 9.3" EM Gen2 Enhanced Handguard Flat Dark Earth

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth

Aero Precision SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel Black

Aero Precision M4E1 Standard Assembled AR-15 Upper Receiver No Forward Assist Aluminum Black

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 5.56mm 16in M-LOK Upper Receiver M4 Carbine Length Barrel 1-7 Twist 1/2x28 15in M-LOK Handguard Gen 2 FDE Cerakote

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 AR-15 5.56x45mm NATO 14.5 in M-LOK Upper Receiver Mid Length Barrel 1-7 Twist 1/2x28 A2 Flash Hider 12 in M-LOK Handguard No

Aero Precision M4E1 AR15 .223 Wylde 18 inch SS QPQ M-LOK Upper Receiver Rifle Length 1-8 Twist 1/2x28 A2 Flash Hider Anodized Black

Aero Precision M4E1 AR15 .223 Wylde 18 inch Fluted ATLAS R-ONE M-LOK Upper Receiver Rifle Length 1-8 Twist 1/2x28 A2 Flash Hider Anodized Black