Fort Scott Munitions TUI ammo is a match grade solid copper projectile uniquely designed to tumble upon impact and provide you with decisive terminal effects in any situation. Every bullet is precision machined from high quality copper and goes through intensive testing in order to deliver industry leading tolerances. The precision accuracy and terminal performance of this ammo makes it suitable for law enforcement and security work as well as for civilian home protection and self-defense. The Tumble Upon Impact action reduces the risk of over penetration and subsequent collateral harm, making it essential for use in proximity to innocent bystanders.