Experience the cutting-edge performance of Underwood's 9mm Luger +P Xtreme Defender ammunition. Engineered for serious self-defense applications, this round features a 90-grain solid copper projectile with an innovative fluid dynamic profile. The monolithic construction ensures 100% weight retention, while the unique design creates a wound channel that maximizes tissue displacement without relying on expansion. With its +P pressure loading, this ammunition delivers an impressive velocity of 1550 fps, providing exceptional stopping power and penetration. Whether for personal protection or law enforcement use, Underwood's 9mm Luger +P Xtreme Defender offers unparalleled performance when it matters most.
Product Highlights:
| Specifications | |
|---|---|
| Manufacturer | Underwood Ammo |
| Caliber | 9mm Luger +P+ |
| Bullet Weight | 90 grains |
| Bullet Type | Xtreme Defender Copper Solid Monolithic |
| Muzzle Velocity | 1550 fps |
| Muzzle Energy | 480 ft-lbs |
| Ballistic Coefficient |
.087 |
| Sectional Density |
.102 |
| Rounds Per Box | 20 |
| Bullet Diameter | 0.355 inches |
| Case Material |
Nickel Plated Brass |
Key Features:
The Underwood Ammo 817 Xtreme Defender +P COPPER SOLID Monolithic 90 Grain 9mm Luger/Parabellum 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 | Copper Solid Monolithic Provides consistent performance and expansion |
| Bullet Weight | 90 grains Optimized for balance between velocity and energy |
| Muzzle Velocity | 1550 fps High velocity for improved terminal performance |
| Muzzle Energy | 480 ft-lbs Delivers significant stopping power |
| Case Material | Nickel Plated Brass Enhances reliability and corrosion resistance |
Applications & Use Cases:
- Self-Defense: Designed for ultimate effectiveness in personal protection scenarios.
- Law Enforcement: Suitable for professional use in law enforcement applications.
- Target Practice: Can be used for training and familiarization with +P+ loads.
- Hunting: Effective for small to medium game hunting where legally permitted.
- Suppressor Use: Safe for use with suppressors, offering versatility for various shooting applications.
Pros and Cons:
Pros
- ✔ High Velocity: 1550 fps muzzle velocity provides excellent penetration and devastating stopping power for critical situations.
- ✔ Copper Solid Construction: Monolithic copper bullet design ensures consistent expansion and weight retention.
- ✔ Lead-Free: Copper construction eliminates lead exposure concerns for shooters and the environment.
- ✔ Xtreme Defender Design: Unique bullet geometry creates multiple wound channels for improved terminal performance.
- ✔ Suppressor Safe: Ammunition is safe to use with suppressors, offering versatility for various shooting applications.
Cons
- ✘ Overpressure Load: +P+ designation indicates higher pressure, which may not be suitable for all firearms.
- ✘ Recoil: High velocity and +P+ pressure can result in increased felt recoil compared to standard loads.
- ✘ Cost: Premium construction and performance typically come with a higher price point than standard ammunition.
- ✘ Limited Capacity: 20-round boxes offer fewer rounds per package compared to some bulk ammunition options.
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 product line includes a wide range of ammunition types, from self-defense rounds to hunting cartridges, all manufactured with meticulous attention to detail and quality control. Their innovative approach to ammunition design, such as the Xtreme Defender line featuring solid copper projectiles, has garnered them a loyal following among shooting enthusiasts and professionals alike.
