Hornady .338 Cal 250gr Interlock RN Projectiles 100pk sea to summit australia The bullet’s special lead alloy core The bullet’s special lead alloy core combines with the copper alloy jacket to violently expand upon impact while the flat base design brings you bench rest accuracy the TRACE ADVANCED is the ideal riflescope for competitive and PRS shooters and backcountry hunters Our traditional line of bullets feature exposed lead tips for controlled expansion and hard hitting terminal performance Most have our pioneering secant ogive design — one of the most ballistically efficient profiles ever developed (see diagram to right)