Aero Precision M4E1

Aero Precision M4E1-T 5.56x45 13.5 inch MOD 4 Upper Receiver Government Mid Length 1 in 7 Twist A2 Bird Cage OD Green

Aero Precision M4E1-T PRO CHF M4 5.56mm 14.5 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized OD Green

Aero Precision M4E1-T 5.56x45 11.4 inch MOD 4 Upper Receiver Government Carbine Length 1 in 7 Twist A2 Bird Cage Black

Aero Precision M4E1-T 5.56x45 12.7 inch MOD 4 Upper Receiver Government Mid Length 1 in 7 Twist A2 Bird Cage Black

Aero Precision M4E1-T PRO CHF M4 5.56mm 13.9 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Black

Aero Precision M4E1-T PRO CHF M4 5.56mm 14.5 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Black

Aero Precision M4E1-T PRO 5.56x45 16 in Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Kodiak Brown 21D112-1

Aero Precision M4E1-T PRO 5.56x45 16 in Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage OD Green 11D112-1

Aero Precision M4E1-T PRO 5.56x45 16 in Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Black 1D112-1

Aero Precision M4E1-T RM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE

Aero Precision M4E1-T SM10.3 5 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Cerakote FDE

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

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

Aero Precision M4E1-T Complete Upper Receiver Threaded 5.56x45mm Mid Pencil 16in Barrel ATLAS S-ONE 15in Handguard M-LOK Cerakote Flat Dark Earth

Aero Precision M4E1-T Complete Upper Receiver Threaded 5.56x45mm Mid Pencil 16in Barrel ATLAS S-ONE 15in Handguard M-LOK Anodized Black

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

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

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 SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel FDE