Aero Precision M4E1-E

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 14.5" Barrel 12.7" ATLAS R-ONE Handguard with Pinned Gamma SL Muzzle Device Black

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 300 AAC Blackout 8" Barrel 7.3" ATLAS R-ONE Handguard Black

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 14.5" Barrel 12.7" ATLAS R-ONE Handguard Black

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 300 AAC Blackout 8" Barrel 7.3" ATLAS R-ONE Handguard Flat Dark Earth

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 350 Legend 20" Barrel 16.6" ATLAS R-ONE Handguard Black

AERO PRECISION M4E1-E Complete Upper 10" .300BLK Barrel EM9.3 Ano

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 10.5" Barrel 9.3" ATLAS R-ONE Handguard Black

Aero Precision M4E1-E Complete Upper 14.5in 5.56 M4 Carbine Barrel EM-12 Handguard Gen 2 Anodized Black

Aero Precision M4E1-E AR15 5.56mm 8in M-LOK Upper Receiver Heavy Pistol Length 1-7 Twist 1/2x28 A2 Flash Hider 7.3in EM Handguard Cerakote FDE

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 14.5" Barrel 12.7" ATLAS R-ONE Handguard with Pinned Epsilon SL Muzzle Device Black

Aero Precision M4E1-E AR15 5.56mm 8in M-LOK Upper Receiver Heavy Pistol Length 1-7 Twist 1/2x28 A2 Flash Hider 7.3in EM Handguard Anodized Black

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 M4E1-E EQ15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Black

Aero Precision M4E1-E EM16.6 Complete Upper .223 Wylde 18inch SPR Rifle 1-8 Twist 1/2 x 28 Thread Anodized Black

Aero Precision M4E1-E Complete Upper 14.5in 5.56 M4 Carbine Barrel EM-12 Handguard Gen 2 Cerakote Flat Dark Earth

Aero Precision M4E1-E EQ15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in Atlas S-One M-LOK Upper Receiver Government CMV Mid Length 1-7 Twist 1/2x28 A2 Flash Hider 12.7in HG

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in Atlas S-One M-LOK Upper Receiver Government CMV Mid Length 1-7 Twist 1/2x28 A2 Flash Hider 12.7in HG

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 16" Barrel 15" EM Gen2 Enhanced Handguard Flat Dark Earth

Aero Precision Complete Upper M4E1-E 5.56 20in Rifle Barrel 1/7 Twist EQ15 Black

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in M-LOK Upper Receiver Government CMV Mid Length 1-7 Twis 1/2 x 28 A2 Flash Hider 12.7in Enhanced

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in M-LOK Upper Receiver Government CMV Mid Length 1-7 Twis 1/2 x 28 A2 Flash Hider 12.7in Enhanced

Aero Precision M4E1-E EM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE