HONOR THEIR SACRIFICE EDUCATE THEIR LEGACY. - Sierra is proud to support Folds of Honor with this limited run of 223 REM and 300 BLK ammunition. A percentage of sales from each box will help provide scholarships to the families of military or first responders who have been wounded or killed in the line of duty. - Sierra® has combined the time-tested legendary accuracy of their MatchKing® bullet with superior brass primer and powder to create match-winning ammunition right out of the box. With unparalleled precision and consistent performance in all firearm platforms MatchKing® Competition Ammunition is already leading matches but that’s what you’d expect from Sierra® who’s been winning for nearly 75 years. Gold-standard quality extremely tight tolerances and consistent accuracy and performance are the hallmarks for success and this ammunition delivers on all counts. And MatchKing Ammunition uses the highest quality components so you can reload it with your favorite MatchKing® bullets to keep on winning too.