Ruger Blackhawk Barrel, .357, 6 3/8″ Blue, Used $150.00 Used Ruger Blackhawk .357 magnum barrel. 6 3/8″ in length, blue steel. Threads are excellent, bore is excellent. Bluing has holster wear at muzzle, otherwise VG+. This barrel was a take off due to caliber change. Only 1 left in stock Ruger Blackhawk Barrel, .357, 6 3/8" Blue, Used quantity Add to cart Category: Big J's Stash Firearms Related Related products Cooey 600 Magazine tube. $50.00 Remington 878/58 30″, 2 3/4″, 12ga, full choke barrel (used) $125.00