Barnes Precision Match ammunition, engineered for precision at extreme distances, features exceptionally low standard deviations and extreme variations due to Barnes' exacting manufacturing and quality standards. Precision Match rounds are loaded with a Sierra Matchking projectile featuring a long boat tail and high B.C. As an additional bonus, scan the QR code located on the back of each box to view Doppler radar generated drop tables specific to each load. Sierra MatchKing bullets have very thin jackets and are held to exacting tolerances in diameter and weight. These Hollow Point Boat Tail bullets have a small meplat to produce a higher ballistic coefficient. Their accuracy has been acclaimed worldwide and they have been used to win more target competitions than all target bullets from other manufacturers combined. The 30 caliber MatchKing is widely respected as one of the most accurate bullets available. It has been used to win countless championships and set numerous world records in various long range shooting competitions. Product Information Cartridge 300 AAC Blackout (7.62x35mm) Grain Weight 220 Grains Quantity 20 Round Bullet Style Jacketed Hollow Point Bullet Brand And Model Sierra MatchKing Lead Free No Case Type Brass Primer Boxer Corrosive No Reloadable Yes G1 Ballistic Coefficient 0.629 Sectional Density 0.331 Velocity Rating Subsonic Country of Origin United States of America