Product DescriptionSierra Bullets SportsMaster handgun bullets deliver reliable performance for reloading 9mm and .380 ACP. The 90-grain Jacketed Hollow Point uses Sierras Power Jacket with skives to promote uniform expansion at handgun velocities, while a pure lead core provides dependable penetration. Sized at .355 inch in diameter, these bullets are optimized for semiautomatic feeding and come 100 to a box for consistent practice, competition, or personal-defense reloads.Product Highlights 90-grain Jacketed Hollow Point designed for smooth feeding and controlled expansion .355-inch bullet diameter for 9mm cartridges; also excellent in .380 ACP Power Jacket with skives for enhanced, consistent expansion on target Pure lead core balances penetration with effective energy transfer Convenient 100-count box for reloading sessions Specs Caliber: 9mm Bullet Diameter: .355 in. Bullet Weight: 90 grains Bullet Type: Jacketed Hollow Point (JHP) Sectional Density: 0.102 Ballistic Coefficients: 0.095 @ 1300 fps and above; 0.115 between 1300900 fps; 0.105 @ 900 fps and below Box Count: 100 bullets Core: Pure lead; Jacket: Sierra Power Jacket with skives UPC: 092763081006 MPN: SIE8100 Brand: Sierra Bullets Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.