Buffalo Bore loads their ammunition up to maximum SAAMI specifications, which delivers devastating performance on a wide range of game. Please note that this ammunition is safe to fire in any 10mm pistol in safe working condition. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. Owner of Buffalo Bore Tim Sundles on Heavy 10mm Ammunition: The Buffalo Bore Heavy 10 mm ammo is the result of many years of customers requests that we produce several such loads for the 10 mm. These loads bring out the full potential of the 10mm, but operate at standard pressures and as such, are safe to use in any standard 10mm pistol. This load uses flash-suppressed powders so your vision will not be materially affected should you be required to drop the hammer in low light. If you are firing this 10mm ammo from an autoloader and experience high extreme spreads in velocity, it is not the ammo. Here is why and how to remedy the situation. Full power 10mm ammo has ...