Underwood Ammo's 9mm Luger Xtreme Defender ammunition is a high-performance self-defense round designed for maximum effectiveness. This 68-grain monolithic solid copper bullet is engineered to deliver consistent expansion and penetration. With a muzzle velocity of 1700 fps and muzzle energy of 436 ft-lbs, it offers impressive stopping power in a compact 9mm package. The nickel-plated brass cases ensure smooth feeding and ejection, while the lead-free construction makes it safe for use with suppressors and in environments where lead contamination is a concern.
Product Highlights:
Specifications |
Manufacturer |
Underwood Ammo |
Caliber |
9mm Luger |
Bullet Weight |
68 grains |
Bullet Type |
Xtreme Defender (Monolithic Solid Copper) |
Muzzle Velocity |
1700 fps |
Muzzle Energy |
436 ft-lbs |
Case Material |
Nickel Plated Brass |
Rounds Per Box |
20 |
Boxes Per Case |
10 |
Ballistic Coefficient (G1) |
0.087 |
Sectional Density |
0.0771 |
Suppressor Safe |
Yes |
Key Features:
The Underwood Ammo 9mm Luger Xtreme Defender 68gr Ammo offers impressive performance characteristics that make it an excellent choice for self-defense applications. Here's a breakdown of its key features:
Bullet Type |
Monolithic Solid Copper Provides consistent performance and penetration |
Bullet Weight |
68 grains Lightweight for high velocity and flat trajectory |
Muzzle Velocity |
1700 fps High velocity for increased energy transfer |
Muzzle Energy |
436 ft lbs Significant energy for effective stopping power |
Case Material |
Nickel Plated Brass Corrosion-resistant and enhances feeding reliability |
Applications & Use Cases:
- Self-Defense: Designed for ultimate effectiveness in personal protection scenarios
- Hunting: Suitable for hunting applications where permitted
- Suppressor Use: Safe to use with suppressors for reduced noise levels
- Training: Can be used for practice to familiarize with defensive ammunition characteristics
- Law Enforcement: Suitable for professional use in law enforcement applications
Pros and Cons:
Pros
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High Velocity: 1700 fps muzzle velocity provides excellent penetration and terminal performance.
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Innovative Bullet Design: Xtreme Defender solid copper bullet offers controlled expansion and deep penetration.
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Lead-Free: Copper construction is environmentally friendly and compliant with lead-free regulations.
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Effective Self-Defense: Designed for optimal performance in self-defense situations.
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Suppressor Safe: Can be safely used with suppressors for reduced noise levels.
Cons
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Recoil: High velocity may result in increased felt recoil compared to standard 9mm loads.
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Cost: Premium design and materials typically result in a higher price point than traditional ammunition.
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Overpenetration Risk: High velocity and solid copper construction may increase the risk of overpenetration in some situations.
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Limited Capacity: 20-round boxes offer less ammunition per package compared to some bulk 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 ammunition for both self-defense and hunting applications. The company is known for pushing the boundaries of ballistic performance, often achieving higher velocities and energy levels than many mainstream manufacturers. Underwood Ammo prides itself on using only the highest quality components in their products, including top-tier brass cases, primers, and projectiles. Their commitment to innovation is evident in their use of cutting-edge bullet designs, such as the Xtreme Defender line, which features solid copper projectiles optimized for terminal performance.
Frequently Asked Questions:
Q: What makes the Underwood Ammo 9mm Luger Xtreme Defender unique?
A: The Underwood Ammo 9mm Luger Xtreme Defender is unique due to its solid copper construction and 68-grain bullet weight. It features a specialized design for maximum expansion and penetration, making it an effective choice for self-defense applications. The ammunition also boasts a high muzzle velocity of 1700 feet per second, resulting in 436 ft-lbs of muzzle energy.
Q: Is this ammunition lead-free?
A: Yes, the Underwood Ammo 9mm Luger Xtreme Defender is completely lead-free. The bullet is made from solid copper, making it an environmentally friendly option and suitable for use in areas where lead ammunition is restricted.
Q: Can this ammunition be used in all 9mm Luger firearms?
A: This ammunition is designed for use in 9mm Luger firearms. However, due to its high-performance nature, it's always recommended to check your firearm's manual or consult with the manufacturer to ensure compatibility, especially with older or compact 9mm pistols.
Q: Is this ammunition suitable for suppressor use?
A: Yes, this ammunition is safe to use with a suppressor. The supersonic nature of the round (1700 fps) means it will still produce a sonic crack, but it's compatible with suppressor use.
Q: What is the ballistic coefficient of this ammunition?
A: The bullet in this ammunition has a ballistic coefficient (G1) of 0.087. This relatively low BC is typical for short, light bullets and contributes to its high velocity and energy transfer characteristics.
Q: How many rounds come in each box?
A: Each box of Underwood Ammo 9mm Luger Xtreme Defender contains 20 rounds of ammunition.