Hornady 67713 Bore Driver FTX 50Cal Flex Tip eXpanding 290gr 20 Per Box/10 Case

The Flextip initiates expansion at low velocities enabling enhanced muzzleloader terminal performance. The performance boosting base features a post that fits into the bottom of the bullet. This post swells in diameter at ignition for better torque engagement from inside the bullet and the centering petals grip the bullets boattail while the skirt engages the rifling to maximize energy transmission.