Underwood Ammo UA 679 .380 ACP +P 68 Grain Xtreme Defender Monolithic Round – Personal Defense

Underwood Ammo 679Underwood Ammo 679 Xtreme Defense Platinum 380ACP+P 68gr Solid Monolithic 20 Per Box/10 Case

The Underwood Ammo UA 679 .380 ACP +P Xtreme Defender is engineered for reliable personal protection, combining high velocity and deep penetration capabilities. Featuring a solid monolithic copper bullet weighing 68 grains, this round is designed to deliver up to 18 inches of penetration with a significant permanent wound cavity, surpassing traditional hollow points in both size and volume. Its optimized nose flute and velocity of 1400 fps ensure consistent performance even when passing through barriers such as sheet metal, automotive glass, or wallboard, making it an excellent choice for demanding self-defense scenarios. The total design emphasizes maximum energy transfer with a muzzle energy of 296 ft-lbs, providing effective stopping power while maintaining manageable recoil. The nickel-plated brass casings not only enhance corrosion resistance and reloading ease but also improve feeding reliability and aesthetic appeal, ensuring durability during storage and repeated use. This ammunition is rated +P, indicating it is suitable for higher-pressure firearm chambers, and is packaged in boxes of 20 rounds, with ten boxes per case. Whether used for concealed carry or home defense, the UA 679 rounds are built to perform reliably under a variety of conditions, offering peace of mind through consistent, high-performance ballistic characteristics.

Features:

• High penetration: Achieves up to 18 inches of depth with a large permanent wound cavity

• Barrier performance: Penetrates through sheet metal, automotive glass, and wallboard without loss of effectiveness

• Solid copper monolithic bullet: Ensures maximum expansion and penetration with no hollow point components

• Optimized nose flute and velocity: Designed for consistent performance and deep wound channels

• Nickel-plated brass casing: Improves corrosion resistance, feeding reliability, and reloading ease

• +P rated: Suitable for higher-pressure firearm chambers for enhanced performance

• Reliable energy transfer: Muzzle energy of 296 ft-lbs for effective personal defense