The Underwood .357 Sig Xtreme Penetrator 115gr Copper Solid Monolithic Ammo is a high-performance round designed for maximum penetration and effectiveness. This ammunition features a solid copper projectile, providing consistent expansion and weight retention. The 115 grain bullet is optimized for the .357 Sig cartridge, offering an excellent balance of velocity and energy transfer. Ideal for self-defense and law enforcement applications, this ammo delivers reliable performance and superior stopping power.
Product Highlights:
| Specifications | |
|---|---|
| Manufacturer | Underwood Ammo |
| Caliber | .357 SIG |
| Bullet Weight | 115 grains |
| Bullet Type | Copper Solid Monolithic |
| Muzzle Velocity | 1450 fps |
| Muzzle Energy | 537 ft-lbs |
| Rounds Per Box | 20 |
| Boxes Per Case | 10 |
| Reloadable | Yes |
| UPC | 816874020965 |
| Manufacturer Part Number | 645 |
Key Features:
The Underwood .357 Sig Xtreme Penetrator 115gr Copper Solid Monolithic Ammo offers impressive performance characteristics that make it an excellent choice for self-defense. Here's a breakdown of its key features:
| Bullet Type | Copper Solid Monolithic Provides excellent penetration and controlled expansion |
| Bullet Weight | 115 grains Optimized for balance between velocity and energy |
| Caliber | .357 SIG High-velocity handgun cartridge known for its flat trajectory |
| Rounds per Box | 20 Convenient quantity for practice or carry |
| Reloadable | Yes Brass cases can be reloaded for cost savings |
Applications & Use Cases:
- Self-Defense: The Xtreme Penetrator design makes this ammunition highly effective for personal protection, offering deep penetration and consistent performance through barriers.
- Law Enforcement: Suitable for law enforcement use due to its barrier penetration capabilities and controlled expansion characteristics.
- Target Practice: Can be used for training and familiarization with .357 SIG firearms, though primarily designed for defensive use.
- Hunting: While not typically used for hunting, the deep penetration could be suitable for certain medium-sized game in areas where .357 SIG is legal for hunting.
- Competitive Shooting: May be used in certain competitive shooting disciplines that allow for high-performance ammunition.
Pros and Cons:
Pros
- ✔ Excellent Penetration: Xtreme Penetrator design ensures deep penetration through barriers and targets.
- ✔ Solid Copper Construction: Monolithic copper bullet maintains integrity and weight for consistent performance.
- ✔ Lightweight Bullet: 115 grain weight allows for higher velocities and flatter trajectories.
- ✔ Reliable Expansion: Engineered to expand reliably in various mediums without relying on hollow point design.
- ✔ Made in USA: Manufactured by Underwood Ammo in the United States, ensuring quality control.
Cons
- ✘ Higher Cost: Premium construction and performance typically result in a higher price point than standard ammunition.
- ✘ Limited Availability: Specialty ammunition may not be as readily available as more common loads.
- ✘ Overpenetration Risk: Excellent penetration capabilities may increase risk of overpenetration in self-defense situations.
- ✘ Firearm Compatibility: Specific to .357 Sig caliber, limiting use to firearms chambered for this round.
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 specializes in producing high-performance, premium-grade ammunition for both civilian and law enforcement markets. The company is known for its commitment to pushing the boundaries of ballistic performance, often producing some of the hottest loads available in various calibers. Underwood Ammo's dedication to quality is evident in their use of top-tier components and rigorous testing procedures. Their manufacturing process involves small-batch production, allowing for meticulous quality control and consistency. The brand has gained a strong following among shooting enthusiasts and professionals who demand superior performance from their ammunition, particularly in self-defense and hunting applications.
