Redefine your expectations of 10mm Auto performance with Underwood's innovative Xtreme Penetrator ammunition. This advanced loading showcases a precision-engineered 140-grain solid copper projectile, designed to deliver unprecedented terminal performance through its unique fluid dynamics profile. Achieving an impressive 1500 fps muzzle velocity, these rounds create multiple wound channels without relying on expansion, ensuring consistent performance through various barriers. The monolithic copper construction guarantees 100% weight retention while premium components, including nickel-plated brass cases and select primers, ensure reliable function. Whether for personal defense, hunting medium game, or protection against large predators, this ammunition delivers when failure is not an option.
Product Highlights:
| Specifications | |
|---|---|
| Manufacturer | Underwood Ammo |
| Caliber | 10mm Auto |
| Bullet Weight | 140 grains |
| Bullet Type | Xtreme Penetrator (Solid Copper) |
| Muzzle Velocity | 1500 fps |
| Muzzle Energy | 700 ft-lbs |
| Sectional Density | .130 |
| Rounds Per Box | 20 |
| Boxes Per Case | 10 |
| Reloadable | Yes |
| Application | Self-Defense, Hunting |
Key Features:
The Underwood 10mm Auto 140gr Xtreme Penetrator Ammunition offers impressive performance characteristics that make it an excellent choice for self-defense and hunting applications. Here's a breakdown of its key features:
| Bullet Type | Xtreme Penetrator Solid copper projectile designed for maximum penetration |
| Bullet Weight | 140 grains Heavier bullet weight for increased energy transfer |
| Cartridge | 10mm Auto Powerful semi-automatic pistol cartridge |
| Quantity | 20 rounds per box, 10 boxes per case Convenient packaging for bulk purchase |
| Reloadable | Yes Brass cases suitable for reloading |
Applications & Use Cases:
- Self-Defense: The Xtreme Penetrator design makes this ammunition highly effective for personal protection, especially against large threats or in situations where barrier penetration is necessary.
- Hunting: Ideal for hunting medium to large game, where deep penetration and a straight wound channel are crucial for ethical harvests.
- Target Practice: Can be used for training and familiarization with 10mm Auto firearms, particularly for those who carry this ammunition for self-defense.
- Law Enforcement: Suitable for law enforcement applications where maximum penetration is required, such as vehicle interdiction or situations involving heavy clothing or light barriers.
Pros and Cons:
Pros
- ✔ Extreme Penetration: Designed for maximum penetration through barriers and tough targets.
- ✔ Solid Copper Construction: Monolithic design provides 100% weight retention.
- ✔ High Velocity: Typically achieves high velocities for improved terminal performance.
- ✔ Reliable Feeding: Engineered for smooth feeding in 10mm Auto pistols and carbines.
- ✔ Versatile Application: Suitable for self-defense, hunting, and specialized law enforcement use.
Cons
- ✘ Overpenetration Risk: Deep penetration requires enhanced backstop awareness.
- ✘ Recoil: Likely produces significant recoil due to its high-performance design.
- ✘ Cost: Premium ammunition typically comes at a higher price point than standard loads.
- ✘ Limited Expansion: Penetrator design doesn't expand, may affect energy transfer.
About Underwood Ammo:
Underwood Ammo, founded in 2013 by Kevin Underwood, has quickly become a respected name in the ammunition industry. Based in Sparta, Illinois, Underwood Ammo is known for producing some of the highest-performing ammunition on the market. The company specializes in manufacturing high-pressure loads that push the limits of ballistic performance while maintaining reliability and safety. Underwood Ammo's commitment to quality is evident in their use of premium components and rigorous testing procedures. Underwood Ammo has gained a strong following among shooting enthusiasts, self-defense practitioners, and hunters who demand maximum performance from their ammunition. The company's innovative approach to ammunition design has resulted in several industry-leading products, particularly in the realm of extreme penetrators and high-velocity rounds.
