Product Description The SinterFire GreenLine 223 Remington 55-grain Lead Free Frangible Ammunition is purpose-built for indoor ranges and training environments where lead contamination is a primary concern. Part of SinterFire&';s trusted GreenLine series, this ammunition features fully lead-free frangible projectiles and primers, drastically reducing airborne lead exposure for shooters and range personnel alike. Loaded in the USA with reloadable brass casings, each 50-round box delivers consistent, reliable performance in a 223 Remington platform suitable for training, law enforcement drills, and competitive shooting. The frangible bullet design breaks apart upon impact with hard surfaces, minimizing ricochet risk and keeping both the shooter and range infrastructure safer during high-volume use. Product Highlights Fully Lead-Free Projectiles and Primers: Eliminates airborne lead at the source, making this ammunition an outstanding choice for indoor ranges and health-conscious shooters. Engineered for Indoor Ranges: Frangible bullet construction breaks apart on hard surfaces, dramatically reducing ricochet hazards and improving overall range safety. Brass Casing: High-quality, reloadable brass casings ensure reliable feeding, extraction, and long-term value for reloaders. 223 Remington, 55 Grains: A versatile caliber and bullet weight suited for training, target shooting, and tactical applications across a wide range of firearms. Loaded in the USA: Manufactured domestically to strict quality control standards, ensuring consistent velocity, accuracy, and reliability round after round. Specs Brand: SinterFire Inc Model: GreenLine Caliber: 223 Remington Bullet Weight: 55 Grains Bullet Type: Lead Free Frangible Casing Material: Brass Rounds Per Box: 50 Country of Manufacture: USA UPC: 855040006464 MPN: SF22355GLC 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.