Speer Hot-Cor Bullets 270 Caliber (277 Diameter) 150 Grain Spitzer Soft Point (100pk)Speer Hot Cor Spitzer bullets have a higher ballistic coefficient and are designed to retain velocity over distance. This pattern, coupled with the Hot Cor process of pouring molten lead directly into the jacket, provides a bullet that offers deep penetration and excellent expansion without core slippage, regardless of the range. This is not loaded ammunition. Technical Information Caliber: 270 Bullet Diameter: . 277" Bullet Weight: 150 Grains Bullet