Product Description Underwood Ammo XTP ammunition is built for shooters who want a powerful, accurate .357 SIG load for defensive use and hunting. This cartridge is loaded with a 124-grain Hornady eXtreme Terminal Performance (XTP) jacketed hollow point designed for controlled expansion and deep terminal penetration. Each round is assembled in nickel-plated brass for enhanced feeding and corrosion resistance, and uses flash-suppressed powder to help protect your night vision in low-light conditions. Product Highlights Hornady XTP jacketed hollow point for controlled expansion and deep terminal penetration Nickel-plated brass case helps promote smooth feeding and improved corrosion resistance Flash-suppressed powder helps reduce visible muzzle flash in low-light shooting New production, non-corrosive, boxer-primed and reloadable brass cases High-performance .357 SIG load rated at 1475 fps and 599 ft-lbs (manufacturer published) Specs Brand: Underwood Ammo Manufacturer Part Number: 147 UPC: 816874020644 Cartridge: .357 SIG Bullet Weight: 124 gr Bullet Type: Hornady XTP (eXtreme Terminal Performance) Jacketed Hollow Point (JHP) Bullet Diameter: 0.355 Case Material: Nickel-plated brass Primer: Boxer Corrosive: No (non-corrosive) Reloadable: Yes Muzzle Velocity: 1475 fps Muzzle Energy: 599 ft-lbs Ballistic Coefficient (G1): 0.165 Rounds Per Box: 20 Boxes Per Case: 10 (200 rounds per case) Country of Origin: 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.