This is a Sellier & Bellot PTS known as the Rifle chambered in 6.8 SPC, model SB68B.
Hornady PTS bullets differ from other plastic-tipped rifle bullets because they were designed to be a big-game bullet. The copper jackets used on the Hornady PTS bullets are thicker than the jackets used on varmint bullets" which aids in weight retention and assists in penetration.
Features:
6.8 SPC
2,549 Feet per second
110 Grain PTS
20 Rounds per box