The Underwood Ammo Xtreme Penetrator is a 9mm Luger +P cartridge loaded with a 115-grain solid copper (monolithic) projectile. Designed in collaboration with Lehigh Defense, the bullet geometry emphasizes deep penetration and consistent feeding from magazines. This offering is packaged as 20 rounds per box in nickel-plated brass cases and lists a muzzle velocity of 1250 feet per second. The cartridge is presented for hunting and self-defense applications where a lead-free monolithic projectile is preferred.
Key Specifications
- The cartridge is loaded to 9mm Luger +P specification.
- The bullet weight is 115 grains.
- The bullet construction is solid copper (monolithic).
- Listed muzzle velocity is 1250 fps.
- Listed muzzle energy is 399 ft lbs.
- Each box contains 20 rounds.
- There are 10 boxes per case.
- Case material is nickel-plated brass.
- This ammunition is marked as reloadable.
- Primary applications listed are hunting and self-defense.
The monolithic copper bullet and +P performance deliver consistent feeding and deep-penetrating terminal performance while avoiding lead in the projectile. Packaged in 20-round boxes with nickel-plated brass cases, this load is a practical, lead-free option for shooters seeking reliable feeding and durable bullet construction for hunting or defensive use.
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