223 Remington Lower Receivers

Shield Arms SA-15 Stripped Lower Receiver 223Rem/556NATO

Franklin Armory BFSIII M4 Built Lower Receiver Multi-Cal 30-Rounds

Spikes Tactical Viking Logo Lower Black 5.56 / .223 Rem

Desert Tech Quattro-15 AR-15 Lower 5.56 Includes Quadmag-53 Magazine

BCM MK2 RMS-M1T0 Mod-1 SOPMOD Comp AR-15 Complete Lower Receiver Anodized Flat Dark Earth

BCM MK2 RMS-M1T0 Mod-0 AR-15 Complete Lower Receiver Anodized Flat Dark Earth

Armaspec Lower Parts Kit Blue for AR-15

TacFire Unassembled Rifle Kit 5.56 NATO / .223 Rem 16 Barrel

Odin Works OTR-15 .223 Remington AR Lower, Black - OTR15ReceiverSet

Shield Arms SA-15 Billet AR-15 Stripped Lower Receiver Hard Coat Anodized Black

Patriot Ordnance Factory 415 Gen4 Lower

Franklin Armory Forged AR-15 Stripped Lower Receiver Anodized Black

American Defense UIC Stripped Lower 5.56/.223

Radian Weapons Model 1 Builder Kit Black 5.56

ZEV Technologies AR-15 Stripped Lower Receiver Black

Spike's Tactical Spider AR-15 Stripped Receiver Set Anodized Flat Dark Earth

FMK Firearms AR1 Extreme Black Multi Caliber AR-15 Polymer Lower

Fortis Manufacturing License Gen 2 Receiver Set 5.56 NATO / .223 Rem Ambidextrous

Fortis Manufacturing License Gen 2 AR-15 Stripped Lower Receiver Black

Spikes Tactical Gadsden AR-15 Stripped Lower Receiver

Spikes Tactical Spider AR-15 Complete Lower Receiver

BCM BCM4 Mod-0 SOPMOD AR-15 Complete Lower Receiver Anodized Black

Griffin Armament MK2 AR-15 Ambidextrous Stripped Lower Receiver Black

American Tactical Mil-Sport Stripped Lower For AR-15