Product Description Lee Double Cavity Mold produces a .501 diameter 350 grain bullet suitable for a cartridge like 500 S&W and 50 Beowulf. Handles included. Lee C501-350-RF Double Cavity Mold at Shooting Surplus Browse all Shooting Surplus deals $32.29 In Stock at Shooting Surplus Price verified 2d ago Buy Now at Shooting Surplus Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Lee Precision Lee Precision