SPIKES TACTICAL STRIPPED LOWER RECEIVER CALICO JACK LOGO, MULTI CAL--COSMETIC BLEM

AERO PRECISION M4E1 Multi Caliber Complete AR15 Lower Receiver w/ A2 Grip & M4 Stock - FDE

AERO PRECISION M4E1 Rifle Cmplt Lower Rcv A2 Grip No Stock Black

Wraithworks Billet Slick Side AR-15 Upper Receiver - Black | No Forward Assist or Brass Deflector

Spike's Tactical Punisher AR-15 Stripped Lower Receiver Anodized Black

GUNTEC AR15 SLABSIDE STRIPPED BILLET UPPER RECEIVER BLACK

ONE HORSE AR15 A3 Stripped Upper Receiver Anodized

AERO PRECISION M4E1 Stripped Lower Receiver ODG