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..22 Caliber MatchKing Moly-Coated52 Grain HPBT=Hollow Point Boat TailDiameter: .224/5.69mmSectional Density: .148Ballistic Coefficients: .225 @ 3000 fps and above; .218 between 3000 and 2200 fps; .212 @ 2200 fps and belowSierra 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. Size / Style: 52 Gr HPBT Match Moly Minimize