Underwood Ammo 638 Xtreme Defender COPPER SOLID Monolithic 65 Grain .380 ACP/Auto

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$35.87

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$84.78

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Quantity:

1 × 20 rounds | 20 rounds total

$35.87

Specifications
UPC	816874020040
Brand	Underwood Ammo
Condition	New
Caliber	.380 Auto
Bullet Weight	68
Bullet Type	SC: Solid Copper
Casing	Brass

Underwood's .380 ACP Xtreme Defender ammunition features a 68 grain solid copper monolithic bullet, designed for optimal performance in self-defense situations. This innovative round offers deep penetration and consistent expansion, even through barriers. With a muzzle velocity of 1300 feet per second and muzzle energy of 255 ft-lbs, it delivers impressive stopping power in a compact 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 environmentally sensitive areas.

Product Highlights:

Specifications
Manufacturer	Underwood Ammo
Caliber	.380 ACP
Bullet Weight	68 grains
Bullet Type	Xtreme Defender Copper Solid Monolithic
Muzzle Velocity	1300 fps
Muzzle Energy	255 ft-lbs
Ballistic Coefficient (G1)	.087
Sectional Density	.077
Case Material	Nickel Plated Brass
Rounds Per Box	20
Boxes Per Case	10
Bullet Diameter	0.355 inches
Suppressor Safe	Yes

Key Features:

The Underwood .380 ACP Xtreme Defender 65gr 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 Lead-free design for consistent performance and reduced environmental impact
Bullet Weight	68 grains Lightweight for increased velocity and energy transfer
Muzzle Velocity	1300 feet per second High velocity for improved terminal performance
Muzzle Energy	255 ft-lbs Significant energy transfer for stopping power
Case Material	Nickel Plated Brass Corrosion-resistant and enhances feeding reliability

Applications & Use Cases:

Self-Defense: Designed for optimal performance in personal protection scenarios with .380 ACP firearms.
Concealed Carry: Ideal for use in compact and subcompact .380 ACP pistols commonly used for concealed carry.
Training: Can be used for practice to familiarize with the recoil and performance characteristics of defensive ammunition.
Hunting: Suitable for small game hunting where legal and appropriate.
Suppressor Use: Safe to use with suppressors, making it versatile for various shooting applications.

Pros and Cons:

Pros

✔ High Velocity: 1300 fps muzzle velocity provides excellent penetration and stopping power.
✔ Solid Copper Construction: Monolithic copper bullet offers consistent expansion and weight retention.
✔ Lead-Free: Environmentally friendly and suitable for use in areas with lead restrictions.
✔ Effective Self-Defense: Designed for optimal performance in personal protection scenarios.
✔ Nickel Plated Brass Case: Enhances reliability and corrosion resistance.

Cons

✘ Recoil: High velocity may result in increased felt recoil, especially in compact .380 ACP pistols.
✘ Cost: Premium construction and materials typically result in a higher price point compared to standard ammunition.
✘ Overpenetration Risk: High velocity and solid copper construction may lead to increased penetration in self-defense situations.
✘ Limited Capacity: 20 rounds per box is less than some bulk ammunition options.

About Underwood Ammo:

Underwood Ammo, founded in 2013, has quickly become a respected name in the ammunition industry. Based in Sparta, Illinois, Underwood 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 and carefully selected powders. Their commitment to innovation is evident in products like the Xtreme Defender line, which features solid copper projectiles designed for maximum terminal performance without over-penetration. Underwood Ammo maintains strict quality control measures, with each lot of ammunition undergoing rigorous testing to ensure consistency and reliability.

Frequently Asked Questions:

Q: What are the key features of the Underwood .380 ACP Xtreme Defender ammunition?

A: The Underwood .380 ACP Xtreme Defender ammunition features a 65 grain copper solid monolithic bullet. It has a muzzle velocity of 1300 feet per second and muzzle energy of 255 ft lbs. The ammunition uses nickel-plated brass cases and is designed for optimal self-defense performance.

Q: Is this ammunition lead-free?

A: Yes, this ammunition 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: 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 coefficient is typical for short, light bullets, but the unique design of the Xtreme Defender helps maintain effectiveness at its intended ranges.

Q: Is this ammunition suitable for use in a suppressor?

A: Yes, this ammunition is safe to use with a suppressor. However, it's important to note that it is a supersonic round, so while a suppressor will reduce the muzzle report, it won't eliminate the sonic crack.

Q: How many rounds come in a box of this ammunition?

A: Each box of Underwood .380 ACP Xtreme Defender ammunition contains 20 rounds.

Q: What is the intended use for this ammunition?

A: This ammunition is primarily designed for self-defense applications. The Xtreme Defender bullet is engineered to provide consistent penetration and terminal performance in defensive scenarios.

Underwood Ammo 638 Xtreme Defender COPPER SOLID Monolithic 65 Grain .380 ACP/Auto

Product Highlights:

Key Features:

Applications & Use Cases:

Pros and Cons:

Pros

Cons

About Underwood Ammo:

Frequently Asked Questions:

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