Reloaders seeking superior terminal performance in 10mm handguns turn to the Hornady 10MM .400 180 Gr XTP Bullets. These jacketed hollow point projectiles deliver the precision and reliability demanded by serious shooters for self-defense, hunting, and law enforcement applications. Engineered for Extreme Terminal Performance The XTP bullet's innovative design ensures consistent expansion across a wide velocity range while maintaining deep penetration. A swaged lead core and drawn copper jacket work together for in-flight stability and uniform expansion upon impact. The added cannelure locks the core and jacket to prevent separation during high-velocity flight or barrier penetration. Key Features and Benefits Precise .400" diameter - Optimized for 10mm Auto cartridges, ensuring proper fit and reliable feeding in your favorite handgun platforms. 180-grain weight - Provides an ideal balance of velocity, energy, and recoil management for effective terminal ballistics without excessive kick. Jacketed Hollow Point construction - Promotes controlled expansion for maximum energy transfer and reduced over-penetration risk in defensive scenarios. Proven accuracy - Trusted by competitive shooters and professionals for tight groups and dependable performance shot after shot. Technical Specifications Projectile Type: Hollow Point (XTP) Weight: 180 grains Diameter: .400 inches Cartridge Compatibility: 10mm Auto Lead Content: Not lead-free Quantity: 100 bullets per box Sectional Density: Approximately 0.161 Ballistic Coefficient: Approximately 0.164 (G1) Why Reloaders Choose Hornady XTP Projectiles Whether building custom loads for personal protection or medium-game hunting, these bullets solve common pain points like inconsistent expansion and core separation. Their robust construction withstands the demands of full-power 10mm loads, delivering the knockdown power and accuracy you need when it counts. Stock up on these high-quality projectiles to craft ammunition tailored to your specific firearm and shooting needs.