Buffalo Bore loads their ammunition with the highest quality components available to maximize the performance of the ammunition. This ammunition is safe to use in all 357 Magnum chambered firearms with steel frames that are in proper working condition. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. If a shooter is recoil sensitive it is not recommended that this ammunition be fired from revolvers weighing less than 16 oz., due to the amount of recoil generated.: Owner of Buffalo Bore Tim Sundles on Buffalo Bore Tactical Short Barrel 357 Magnum Ammunition: Typical full power 357 magnum loads offer several tactical problems for use in self-defense and duty applications, especially when used in the shorter/lighter revolvers that are typical of concealed, defensive and duty carry. First, the muzzle flash can be blinding, especially from short barrels. Second, felt recoil can be a life-threatening drawback if fast follow-up shots are required. ...