Sig Sauer 300 Winchester Magnum 190 Grain Open Tip MatchThe Sig Sauer Match Grade line of ammunition is fiercely accurate utilizing widely renowned Sierra Matchking OTM bullets highly precise manufacturing techniques rigorous and exacting measurements and temperature stable propellants. These Sierra Matchking OTM bullets are poured from the tip for incredibly well balanced weight distribution and fine accuracy at range. The propellants are a quality single base extruded nitrocellulose for a clean burn consistent velocity and consistency across any temperature. Sig Sauer brings this line of ammunition to market with the intentions of providing the premium match grade cartridge for the competition shooter or for the marksman hobbyist. If you need accuracy more then anything then Sig Sauer match grade cartridges are a perfect option.