Century International Arms Inc. has contracted with one of the world's foremost ammunition manufacturers to offer 3 new calibers of HOTSHOT ammunition: 7mm Rem Mag SP (174 GR.), 7mm Rem Mauser SP (173 GR.) and 5.56x45mm SS109 FMJ (62 GR.). Available in many hard to find calibers with more on the way, value priced HOTSHOT ammunition is reloadable, brass cased, non-corrosive, boxer primed and some are berdan primed.