For serious rifle competition, you'll be in championship company with MatchKing bullets. The hollow point boat tail design provides that extra margin of ballistic performance match shooters need to fire at long ranges under adverse conditions. Sierra's exacting tolerances assure record-breaking accuracy you can depend on, box after box. 6.5MM .264 Caliber MatchKing Moly-Coated 142 Grain HPBT=Hollow Point Boat Tail Diameter: .264/6.71mm Sectional Density: .174 Ballistic Coefficients: .225 @ 2700 fps and above; .237 between 2700 and 2100 fps; .250 between 2100 and 1600 fps; .264 @ 1600 fps and below Sierra has teamed up with National Highpower Rifle Champion David Tubb to offer moly-coated bullets. Tubb's company, M.C.I., Inc., is utilizing the NECO moly-coating process to coat Sierra bullets with molybdenum disulfide. Sierra has researched scores of moly-coatings and chose the NECO process for its reduction of metal fouling in the barrel. Note: These are component bullets, not loaded ammunition.