The Barnes TSX was introduced in 2003 and has become Barnes' most popular hunting bullet. The TSX has gained worldwide recognition as one of the deadliest most dependable bullets you can buy. Try these all-copper bullets and realize the added benefits of improved accuracy reduced barrel fouling and increased velocity. Instant expansion and perfect penetration ensures cleaner quicker kills. Gnat's-eyelash accuracy 100 percent lead-free Deadly accuracy 99-100 percent weight retention