Underwood Xtreme Penetrator .380 ACP ammunition is new-production, non-corrosive, boxer-primed ammo loaded in nickel-plated brass cases. The cartridge uses a 90-grain copper solid bullet engineered for consistent penetration and stable supersonic flight at the muzzle. Each box contains 20 rounds; boxes are packed 10 per case and the brass is reloadable. Performance characteristics make this load suitable for personal defense and precision work where controlled penetration and repeatable ballistics matter.
Key Specifications
- Caliber: .380 ACP.
- Bullet weight: 90 grains.
- Bullet type: Copper solid.
- Muzzle velocity: 1100 fps.
- Muzzle energy: 242 ft lbs.
- Cartridges per box: 20 rounds.
- Boxes per case: 10 boxes.
- Case material: Nickel-plated brass.
- Reloadable: Yes.
- Designed application: Personal defense.
Balanced for reliable feeding and consistent trajectories, this load is a straightforward choice for shooters who value repeatable performance and reloadable brass. The Xtreme Penetrator’s copper solid design and factory specifications provide predictable behavior across a range of defensive and field uses without unnecessary embellishment.
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