Fort Scott Munitions 10MM TUI ammo is a match grade handgun ammunition that is designed to be extremely accurate at high velocities. The unique, patented design of our 10MM TUI pistol ammunition penetrates targets deeply and leaves behind a devastating dynamic wound cavity.imageThis fast and accurate 125-grain bullet gives you superior accuracy in a faster bullet. Each solid copper projectile is CNC machined and rigorously tested to produce some of the tightest tolerances on the market. Our rounds are carefully loaded and tested to give our customers match grade quality in a self defense ammunition.Whether you're trekking through bear country or cruising through the bad parts of town, FSM 10mm TUI is an ideal choice for self-defense. Capitalizing on the advantages of the powerful 10mm cartridge, our multi-patented Tumble Upon Impact design creates massive amounts of damage due to hydro-static shock upon entry into soft tissue. The energy released by our tumbling bullets is enough to disrupt organs and body rhythms while also mitigating the risks of over-penetration.Specifications: Cartridge: 10mm Auto Number of Rounds: 20 Bullet Type: Monolithic Bullet Weight: 125 grain Cartridge Case Material: Brass Muzzle Velocity: 1611 ft/s Muzzle Energy: 714 ft-lbs Application: Self Defense Package Type: Box Primer Style: Centerfire Lead Free: Yes Bullet Core Material: Copper Country of Origin: USA Gun Type: Handgun