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Brownells 75th Anniversary - A Shooting Heritage

Massive Wound Cavities

Featuring a unique nose that maximizes penetration and facilitates reliable feeding from the magazine, Underwood Ammo’s .380 ACP +P 90GR XTREME Penetrator is a round with jaw dropping performance.

Underwood Ammo’s 380 ACP Xtreme Penetrator ammunition is CNC machined using solid copper, making it safe for the environment but deadly for your target.

  • Unique nose increases hydraulic velocity to increase permanent wound column
  • Blunt nose for initial energy transfer
  • Solid copper construction and cutting edges to bust through tough barriers
  • 20 rounds per box

Underwood Ammo has combined their trademark power and precision with Lehigh Defense to masterfully design their .380 ACP Xtreme Penetrator ammunition, bringing you a round with show-stopping performance each and every time.

You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition. All ammunition must be shipped Domestic Ground. Shipping not available for International residents. Residents in CA, DC, IL, MA, NY, CT, and NJ may have additional restrictions. Always make sure you use the correct ammunition for your firearms. Check your state and local laws for any other applicable firearms and ammunition regulations. Due to Department of Transportation regulations, we cannot accept returns on ammo. Please check local laws before ordering. View full restrictions here.

Ammunition pricing is per box.

ATTENTION – California Customers
Brownells is still shipping ammunition orders to California but the process has changed to comply with California Proposition 63. We must now ship ammunition purchased online to an FFL or California-approved ammunition dealer. After placing your order, a Brownells representative will contact you to ensure your ammunition arrives quickly and in compliance with the law.


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