Underwood Xtreme Penetrator .380 ACP 90gr Solid Copper

Description

Underwood Xtreme Penetrator .380 ACP ammunition delivers exactly what its name promises: a no-nonsense approach to stopping power in a caliber known for compromises. Using Lehigh Defense's precision-engineered solid copper design, these 90-grain rounds achieve deep penetration through the combination of velocity and geometry rather than traditional expansion. That matters in the .380 ACP because reliable expansion can be inconsistent at these velocities, especially out of pocket-sized pistols.

The copper construction itself is worth paying attention to. These are solid monolithic bullets, not hollow points, which means they won't deform or deflect when passing through barriers like heavy clothing or intermediate obstacles. At 1100 feet per second muzzle velocity, the round carries 242 foot-pounds of energy—enough to perform consistently in real-world self-defense scenarios involving concealed carry. The unique nose flutes create hydraulic pressure that causes a large permanent wound channel, delivering tissue damage similar to traditional expanding rounds but through a completely different mechanism.

What Sets Underwood Xtreme Penetrator Apart

The ammunition uses flash-suppressed powder, which matters if you ever need to use your firearm in low-light conditions. Your eyes stay adjusted instead of being compromised by muzzle flash. The nickel-plated brass is reloadable, and each box contains 20 rounds, packed 10 per case. This is new-production, non-corrosive, boxer-primed ammunition manufactured in the United States.

Performance in Compact Platforms

Barrel length directly affects terminal performance in the .380 ACP, and these rounds were designed with that reality in mind. Whether you're carrying a Ruger LCP, Smith & Wesson Bodyguard, or any other compact .380, the fluted nose geometry creates consistent results across different platforms. The solid copper won't fragment, ensuring each round performs predictably.