Product Description Sig Sauer Elite Series Copper Hunting ammunition is built for consistent, ethical big-game performance with a lead-free solid copper projectile. Premium-quality powders and primers help minimize velocity variation, while the optimized nose geometry supports smooth rifle feeding. Finished with premium nickel-plated shell casings for reliable function and corrosion resistance, this .300 Winchester Magnum 165 grain load is engineered to deliver dependable accuracy and controlled terminal performance, including expansion up to 1.8x diameter. Product Highlights Lead-free solid copper hunting bullet designed for controlled expansion and deep penetration Premium powders and primers for consistent ignition and minimal velocity variation Optimized nose geometry for smooth feeding in hunting rifles Nickel-plated cases enhance corrosion resistance and reliable extraction High-performance .300 Winchester Magnum load for big-game hunting applications Specs Brand: Sig Sauer Manufacturer Part Number: E3WMH120 UPC: 798681576760 Cartridge: .300 Winchester Magnum Bullet Weight: 165 gr Bullet Construction: Solid copper (lead-free) Intended Use: Hunting Muzzle Velocity: 3,110 fps Muzzle Energy: 3,543 ft-lbs Rounds Per Box: 20 Boxes Per Case: 10 Case Type: Nickel-plated Primer Type: Boxer Reloadable: Yes 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.