5.56x45mm NATO Receiver Parts

CMMG AR-15 Gunbuilders Lower Receiver Parts Kit

CMMG AR-15 Lower Receiver Parts Kit

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Flat Dark Earth

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Black

Strike Industries AR-15 Enhanced Lower Receiver Parts Kit

Strike Industries AR-15 Enhanced Lower Receiver Parts Kit with Trigger Group

Wilson Combat AR-15 Small Parts Lower Receiver Parts Kit

Daniel Defense DDM4v7 S AR-15 Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

Daniel Defense DDM4v7 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Daniel Defense Lower Receiver Parts Kit

Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel

Armaspec Gun Builders Kit AR-15 Black

Faxon Forged Stripped AR-15 Upper Receiver Aluminum Black

BCM MOD-0 AR-15 Complete Lower Receiver Black

Sharps Bros Warthog AR-15 Stripped Lower Receiver Anodized Black

Radian Weapons A-DAC 15 Builder Kit 5.56 14 Handguard

Luth-AR AR-15 Builders Kit Lower Receiver Parts Kit

One Horse AR-15 Complete Lower Parts Kit

Daniel Defense DDM4v7 Pro AR-15 Complete Upper Receiver 5.56x45mm NATO 18" Barrel

Daniel Defense DDM4v7 Lightweight AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Radian Weapons A-DAC 15 Complete Lower 5.56 / .223 Rem w/ SBA3 Brace

CMMG Mk4/AR15 Stripped Lower Receiver Armor Black

Armaspec Lower Parts Kit AR-15 Black

Sharps Bros Overthrow AR-15 Stripped Lower Receiver Anodized Black