5.56x45mm NATO Lower Receivers

Faxon FF-15 XRS Forged AR-15 Complete Lower Receiver Anodized Black

Radian Weapons Model 1 Builder Kit Brown 5.56 14 MLOK Handguard

CMMG AR-15 Gunbuilders Lower Receiver Parts Kit

CMMG AR-15 Lower Receiver Parts Kit

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

Spikes Tactical Enhanced Lower Parts Kit Black .223 Rem / 5.56 with ST Battle Trigger

Radian A-DAC 15 AR-15 Ambidextrous Stripped Lower Receiver Black

Daniel Defense Lower Receiver Parts Kit

Armaspec Lower Parts Kit Red for AR-15

Armaspec Superlight Lower Parts Kit AR-15 FDE

Armaspec Superlight Gun Builders Kit Red for AR-Platform

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

Sylvan Arms AR-15 Flared Magwell Black

Armaspec Superlight Gun Builders Kit Flat Dark Earth

Armaspec Superlight Gun Builders Kit AR-15 Black

Sharps Bros Warthog AR-15 Stripped Lower Receiver Anodized Black

Radian Weapons A-DAC 15 Builder Kit 5.56 14 Handguard

Radian A-DAC 15 AR-15 Ambidextrous Stripped Lower Receiver Olive Drab

Radian A-DAC 15 AR-15 Ambidextrous Stripped Lower Receiver Radian Brown

Radian A-DAC 15 AR-15 Ambidextrous Stripped Lower Receiver Radian Gray