Product DescriptionSinterFire Next Generation (NXG) handgun ammunition is engineered to improve range safety and reduce environmental concerns associated with traditional lead projectiles. This 10mm Auto load uses a lead-free, monolithic copper ball projectile designed as an economical lead-ball replacement, making it a strong choice for training where lead-free ammunition is required. Each box includes 50 rounds in brass cases with a centerfire primer.Product Highlights Lead-free monolithic copper ball projectile designed to replace traditional lead ball training ammo 10mm Auto centerfire pistol ammunition ideal for training and target use Brass-cased rounds for reliable feeding and consistent performance 125 grain bullet weight with listed muzzle velocity up to 1350 ft/s 50-round box with 20 boxes per case (1,000 rounds per case) Specs Brand Name: SinterFire Inc Manufacturer Part Number: SF10125NXG UPC: 855040006693 Caliber: 10mm Auto Bullet Type: Lead-Free Ball Bullet Weight: 125 grain Projectile Material: Monolithic copper (lead-free) Cartridge Case Material: Brass Primer Style: Centerfire (standard) Muzzle Velocity: 1350 ft/s Application: Training Rounds Per Box: 50 Boxes Per Case: 20 Country of Manufacture: USA (Loaded in the 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.