Underwood Ammo UA 678 380 ACP 68-Grain Xtreme Defender Solid Monolithic Personal Defense Rounds

Underwood Ammo 678Underwood Ammo 678 Xtreme Defense Platinum 380ACP 68gr Solid Monolithic 20 Per Box/10 Case

The Underwood Ammo UA 678 380 ACP Xtreme Defender is designed for reliable personal protection with high-performance ballistic capabilities. These supersonic rounds feature a solid copper monolithic bullet weighing 68 grains, engineered to penetrate up to 18 inches while creating a permanent wound cavity (PWC) that is more than double the size of conventional expanding hollow points. The optimized nose flute, combined with total weight and velocity, ensures consistent penetration and expansion even through barriers such as sheet metal, automotive glass, or drywall, making them a trusted choice for self-defense scenarios. The nickel-plated brass casings not only enhance corrosion resistance and improve feeding consistency across various firearms but also maintain their appearance and ease of reloading without tarnishing, moisture, or other foreign elements. These centerfire handgun rounds are ideal for those seeking high-impact, barrier-penetrating ammunition for personal defense purposes, delivering a powerful 255 ft-lbs of muzzle energy at a velocity of 1300 fps. Each box contains 20 rounds, with 10 boxes per case, providing ample supply for critical situations and training alike.

Features:

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

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

• Solid copper monolithic bullet: Ensures deep penetration and consistent expansion

• Supersonic velocity: Muzzle velocity of 1300 fps for rapid impact

• Nickel-plated brass casing: Provides corrosion resistance, improved feeding, and easier reloading

• Reliable self-defense rounds: Designed for personal protection with high muzzle energy