Ready to Ship – (1) remaining Wilson .257 twist #4 contoured, SPIRAL FLUTED, barrel blank. The stainless, #4 contoured blanks are 27″ and can finish at 26″ or less. The contoured barrel blanks have a 1.200″ shank diameter. The #4 is a sporter barrel ending at .685″ at 26″. This barrel has the flutes stopping at 24″. Pic needs to be updated.