F Bilson Arms BA-15FC Pump Style Forward Charging Upper Assembly, 5.56mm/.223 Remington, 24.5in, 16in, 1-7 Twist, 1/2-28, Free-Float, A2 Birdcage, Cerakote/Anodized, FDE/Black, ARUFSFN1001 $1,099.00 ARUFCFB1001 show more like this Free Shipping on most orders over $49 Optics Planet