The Barnes Triple Shock X, or TSX for short, was introduced to re-loading enthusiasts back in 2003 and since that time has quickly become a favorite of hunters. The TSX has is an all copper bullet and as a result provides you with improved accuracy, increased velocity and reduced barrel fouling. With all those features it is clear to see how the Barnes TSX earned a reputation as on of the most dependable and deadliest bullets you can buy.Specifications:MPN: 30347.30 Caliber.308" Diameter150 Grain TSX Solid Copper Hollow Point Boat TailLength 1.237Ballistic Coefficient 0.369Sectional Density 0.22650 Count Per BoxNote: These are projectiles only. They are used for reloading ammunition. This is not finished ammunition that is ready to fire.