Aero Precision M4E1

Aero Precision M4E1 AR15 5.56mm 8in M-LOK Threaded Upper Receiver Pistol Length 1-7 Twist 1/2x28 A2 Flash Hider 7.3in M-LOK R-ONE Handguard Anodized

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black

Aero Precision Complete Upper Receiver M4E1-T 10.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth

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

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

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 M4E1 AR15 5.56mm 8in M-LOK Threaded Upper Receiver Pistol Length 1-7 Twist 1/2x28 A2 Flash Hider 7.3in M-LOK R-ONE Handguard Cerakote

Aero Precision M4E1 Threaded Complete Upper 7.5in 5.56 Barrel ATLAS R-ONE 7in M-LOK HG Anodized Black

Aero Precision M4E1 Standard Stripped AR-15 Upper Receiver No Forward Assist 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 AR15 .223 Wylde 18 inch SS QPQ ATLAS R-ONE M-LOK Upper Receiver Rifle Length 1-8 Twist 1/2x28 A2 Flash Hider Anodized Black

M4e1 Threaded 6.5 Grendel Assembled Upper Receiver W/Atlas R-One - M4e1-T 6.5 Grendel Assem Upper Dmr 20''''bbl Rifle Threaded Blk

M4e1 Threaded 6.5 Grendel Assembled Upper Receiver W/Atlas R-One - M4e1-T 6.5 Grendel Assem Upper Spr 18''''bbl Rifle Threaded Blk

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 .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 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 SM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized Kodiak

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

M4e1 5.56mm Assembled Upper Receiver W/Atlas R-One Handguard - M4e1 5.56mm Assembled Upper M4 10.5''''bbl Carbine Threaded Fde

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