COAL: 2.790 Powder: CMR 100 Powder Weight: 38.6GR Test Barrel Length/Twist: 24 1:10 Multi-Patented, Tumble Upon Impact design Superior penetration Non lead, Solid Copper Spun SCS bullet Fort Scott Munitions presents the 308 Winchester with our advanced Tumble Upon Impact (TUI) design, offering superior performance and reliability. This multi-patented ammunition features a solid copper spun SCS bullet, ensuring excellent penetration and devastating internal damage. Our non-lead, solid copper bullets are machined from premium materials using precision CNC lathes, adhering to the highest quality standards. Designed for versatility, the 308 Winchester excels in hunting, match shooting, and self-defense. The TUI technology enables the bullet to tumble end-over-end upon impact with water-based tissue, creating a more effective and destructive wound channel. With consistent quality and performance, trust Fort Scott Munitions for reliable results every time you pull the trigger.