The Hornady Bore Driver FTX 50Cal Flex Tip expanding bullet weighs 290 grains. This bullet is designed for muzzleloading and features a Flextip that initiates expansion even at low velocities, enhancing terminal performance.Key FeaturesQuantity: Each box contains 20 bullets.Bullet Length: Measures 7.5000 inches in length.Performance-Boosting Base: The base swells in diameter at ignition for improved torque engagement.Centering Petals: Grips the bullet's boattail to enhance energy transmission.