Waterproof steel pellet shells The line of Drylok shells was specifically designed to resist oxidation and corrosion, which are two inevitable facts of hunting in humid areas. Developed in the United States, this steel shotshell is completely waterproof as the result of different innovations from Winchester®. For all steel proofed shotguns (1320 bar) The steel shot is first specially treated against corrosion: the star crimp is hot welded, its wad is also waterproof from its bipartite construction, and, lastly, the primer is varnished in order to prevent any humidity from entering.
