Speer makes plastic bullets with a cap for .38/357 cases, check your reloading manual for the proper weight and powder to load.Anybody out there who has loaded birdshot into 38 special cases? If so, what do you use for the wadding and how much of what powder is right. I have heard 3.5 grains of bullseye works. Also someone mentioned gaschecks for over powder and top wad. Any comments?