5.56x45mm NATO Lower Receivers

PSA JAKL Complete Rifle Lower 5.56 NATO, MOE SL EPT F5 Stock, OD Green

PSA Sabre-15 Lower Build Kit with A1 Stock and Sabre Grip, Black

Rise Armament AR-15 Premium Lower Parts Kit

AR-STONER AR-15 Enhanced Pistol Build Kit with Upper Receiver Assembly 5.56x45mm NATO 8" Barrel Pistol Length M-LOK Handguard, Complete Lower Parts Kit with Magpul MOE Furniture Black

WATCHTOWER Type 15M AR-15 Stripped Lower Receiver 5 Pack

TACFIRE 10.5" 5.56 Stainless Steel Pistol Kit + Lower

SPIKES TACTICAL HONEY BADGER STRPPD LWR 5.56

SPIKES TACTICAL SPIDER STRIPPED LOWER 5.56 BLK

SPIKES TACTICAL PUNISHER STRIPPD LWR 5.56 BLK

SPIKES TACTICAL ZOMBIE STRIPPED LOWER 5.56 BLK

SPIKES TACTICAL ZOMBIE STRIPPED LWR 5.56 BLK

SPIKES TACTICAL COMPLT LOWER M4 5.56 BLK 6POS

SHIELD ARMS SA-15 Complete Folding Lower Receivr 223/5.56 Blk

AERO PRECISION M4 / AR15 Stripped Lower Receiver w/ Lower Parts Kit - FDE

AERO PRECISION AR-15 Gen II Multi-Caliber Complete Lower Receiver w/ Magpul MOE Grip & SL-S Stock

NOVESKE N4 STRIPPED LOWER RECVR 223/55

MIDWEST IND Forged AR-15 Lower Receiver Multi

KE ARMS KE-15 Complete Lower Receiver Black

KAK Industry KF-15 Forged AR15 Lower Receiver

Bravo Company Pistol Lower Group with Receiver Extension, Semi-automatic, Pistol, 223 Remington, 556NATO, Aluminum, BCMGUNFIGHTER Pistol Grip LRG-PISTOL

Black Rain Ordnance Lower Receiver, Semi-automatic, 223 Remington/556NATO, Anodized Finish, Black, 7075 Billet Aluminum Frame, Beveled Mag Well, Winter Trigger Guard BRO-MLR

Geissele autos Super Duty AR-15 Receiver Set, Semi-auto, Lower/Upper Set, 223 Remington/556NATO, Anodized Finish, Olive Drab Green 05-1171ODG

WMD Guns Upper/Lower Receiver Set NIBXMSF15-3PC, Semi-automatic, 223 Rem/556NATO, Free Float Hand Guard, Nib-X Finish NIBXMSF15-3PC

Spikes Tactical Snowflake Lower/Upper Receiver Set, Semi-automatic, 223 Remington/556NATO, Cerakote Finish, Burnt Bronze, Includes 12 in SAR3 Rail STS1630-PT2S