Product DescriptionHornady Custom pistol ammunition is built for handgun shooters who demand dependable function, consistent accuracy, and strong terminal performance. This .357 SIG load features the Hornady XTP (Extreme Terminal Performance) jacketed hollow point bullet, engineered for controlled expansion and penetration. Each box contains 20 rounds and is loaded to deliver factory consistency with the performance expectations of a premium defensive handgun cartridge.Product Highlights Hornady XTP (Extreme Terminal Performance) jacketed hollow point bullet for controlled expansion .357 SIG 147 grain load rated at approximately 1,225 fps muzzle velocity Clean-burning, consistent propellant and matched components for dependable ignition Quality brass cases and primers selected for reliable feeding and durability Ideal for personal defense and performance-focused range use Specs Brand: Hornady Product Line: Custom Caliber: .357 SIG Bullet Weight: 147 grain Bullet Type: XTP Jacketed Hollow Point (JHP) Muzzle Velocity: 1,225 fps Muzzle Energy: 490 ft-lb Rounds per Box: 20 Case Material: Brass Primer Type: Boxer Ballistic Coefficient (G1): 0.212 Sectional Density: 0.167 Bullet Diameter: 0.355 in UPC: 090255391312 Manufacturer Part Number: 9131 Country of Manufacture: USA 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 product&&';;s manufacturer.