2A ARMAMENT BALIOS-LITE Gen 2 MULTI Caliber AR15 Stripped Lower Receiver - Black

Timber Creek Outdoors AR Lower Parts Kit for AR-15, Robin's Egg Blue - AR LPK RE

GUNTEC AR15 SLABSIDE STRIPPED BILLET UPPER RECEIVER BLACK

AERO PRECISION AR15 5.56 NATO / 223 Rem 20" Complete Upper Receiver w/ Carry Handle | Black

APF AR-15 Stripped Billet Lower Receiver - Matte Black

Timber Creek AR-15 Lower Parts Kit, OD Green - AR LPK OD

BLEM Griffin Armament MK2 Ambi AR-15 Lower Receiver, Terra Brown

LBE Unlimited M4 Stripped Upper Receiver, Fits AR15, Black Finish ARSTUP