This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable...

The M5 308 come with the S-ONE line of handguards which is designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining...

Aero Precision APAR308003C M5 Receiver Multi-Caliber Black Anodized Finish 7075-T6 Aluminum Material with Mil-Spec Dimensions for AR-10

Aero Precision APAR308005C M5 Receiver Multi-Caliber Flat Dark Earth Cerakote Finish 7075-T6 Aluminum Material with Mil-Spec Dimensions for AR-10

Aero Precision APAR308505C Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform

Aero Precision APAR308506AC M5E1 Enhanced Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform

Aero Precision APAR308554M45 M5E1 Enhanced Receiver 6.5 Creedmoor 20" Stainless Steel Barrel, 7075-T6 Aluminum Black Anodized Receiver, Aero Gen2 Enhanced Free-Floating M-LOK Handguard for M5 Platform

Aero Precision APAR501101C Gen 2 Receiver Multi-Caliber Black Anodized Finish 7075-T6 Aluminum Material with Mil-Spec Dimensions for AR-15

Aero Precision APAR501302C Gen 2 Receiver Multi-Caliber Flat Dark Earth Cerakote Finish 7075-T6 Aluminum Material with Mil-Spec Dimensions for AR-15

Aero Precision APAR600001C M4E1 Receiver Multi-Caliber Black Anodized Finish 7075-T6 Aluminum Material with Mil-Spec Dimensions for AR-15

Aero Precision APAR600002C M4E1 Receiver Multi-Caliber Flat Dark Earth Cerakote Finish 7075-T6 Aluminum Material with Mil-Spec Dimensions for AR-15

Aero Precision APAR600201AC M4E1 Enhanced Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized Receiver for AR-15

Aero Precision APAR611310AC Assembled XL Receiver 7075-T6 Aluminum Black Anodized Receiver for AR-15

Aero Precision APRA600004C MOD 4 6061-T6 Aluminum

Aero Precision APRA600005C MOD 4 6061-T6 Aluminum

Aim Sports AR5CUB3 Complete Upper Assembly 5.56x45mm NATO 16" Black Nitride Barrel 7075-T6 Aluminum Black Hard Coat Anodized Receiver 15" M-LOK Free-Float Handguard for AR-15

Alexander Arms KIT50 Upper Parts Kits 50 Beowulf 16" Black Barrel, Aluminum Black Receiver for AR-15

Alexander Arms UST17 Upper Parts Kits 17 HMR 18" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15 Includes 2 Mags

Alexander Arms UTA50 Tactical Complete Upper 50 Beowulf 16" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15

Alexander Arms UTA65 Tactical Complete Upper 6.5 Grendel 16" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15

Angstadt Arms AAUMDP0906 MDP-9 Roller Delayed 9mm 5.85" Black Type III Hard Coat Anodized Barrel

AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM

AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM

AR-15 11.5'' GOVERNMENT UPPER RECEIVER 2-PC HANDGUARD 1-7