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

AERO PRECISION M5 308 Win Assembled Upper Receiver | OD Green

AERO PRECISION M5 308 Assembled Upper Receiver | Kodiak Brown Anodized

FRANKLIN ARMORY Pistol Model Stripped Pistol Lower Frame

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

AERO PRECISION M4E1 Stripped Lower Receiver | Kodiak Brown Anodized

GUNTEC AR15 SLABSIDE STRIPPED BILLET UPPER RECEIVER BLACK