Shop › DBLTAP 454CAS 400GR HARDCAST 20/500 DBLTAP 454CAS 400GR HARDCAST 20/500 $36.90 DoubleTap Ammunition Hardcast Solid, 454 Casull, 400Gr, Hard Cast, 20 Round Box 454C400HC Quantity: Add To Cart Added! DoubleTap Ammunition Hardcast Solid, 454 Casull, 400Gr, Hard Cast, 20 Round Box 454C400HC