Underwood Ammo Xtreme Defender Features Underwood s Xtreme Defender load in .38 Special uses a 100 grain Lehigh Defense projectile a solid copper design engineered for controlled consistent penetration through barriers and tissue alike. Rather than relying on traditional hollow point expansion the Xtreme Defender bullet is machined with fluid-diverting geometry that creates a wide wound channel without the risk of clogging from clothing or other barriers. At a muzzle velocity of 1200 fps the round generates 320 ft lbs of muzzle energy delivering solid stopping power from a typical .38 Special revolver. This combination of design and velocity makes it a strong choice for concealed carry and home defense. Each cartridge uses a nickel plated brass case which resists corrosion and offers a reliable low-friction surface for smooth chambering and extraction. The 20-round box size is a practical amount for range practice function testing or carrying as a primary defensive load. Underwood Ammo has built a reputation among concealed carriers for producing hard-hitting well-engineered defensive ammunition. Shooters looking for a dependable .38 Special defense round will find the Underwood Xtreme Defender available for sale at GrabAGun. Underwood Ammo Xtreme Defender Specifications Manufacturer: Underwood Ammo Model: Xtreme Defender Caliber: .38 Special Rounds Per Box: 20 Bullet Weight: 100 Grains Bullet Type: Copper Solid Muzzle Velocity: 1200 fps Muzzle Energy: 320 ft lbs Casing Material: Nickel Plated Brass Available At: GrabAGun