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 not intended for older guns. It is made for modern firearms only, as some of the ammunition could damage older and weaker firearms. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. Owner of Buffalo Bore Tim Sundles on Buffalo Bore Heavy 357 Sig Low Flash Ammunition: Because you requested it, Buffalo Bore is now producing two full power 357 Sig. loads. These loads are full power 357 Sig. Not the watered down stuff that other factories are already producing. Why is it that a new cartridge gets developed with touted ballistics in the media, only to have the ammo manufacturers "water" it down after a few years on the market? (The same thing happened with the original 10MM) The 357 Sig. was designed to blast a 125gr. bullet at 1,425 FPS out of a four inch carry gun ba...