In territory that could prove to be treacherous in a heartbeat, it pays to be ever-vigilant and always ready. Each caliber's specially developed load has been expertly crafted from only the best of components. Hard cast, gas-checked (except 10mm Auto) heavy-for-caliber lead bullets precisely matched with temperature stable powders and primers, all housed in highest quality brass cases. Ever vigilant, always ready. Bullet type- Semi-wadcutter Gas Check.