UNDERWOOD 40SW 115GR-XTREME DEFENDER 20RD 10BX/CS

Select Pack Size

rounds

20 Rounds

$40.61

($2.031/rd)

Out of Stock

Quantity:

1 × 20 rounds | 20 rounds total

$40.61

Specifications
UPC	816874020101
Brand	Underwood Ammo
Condition	New
Caliber	.40 S&W
Bullet Weight	115
Casing	Brass

Underwood .40 S&W Xtreme Defender 115gr Solid Monolithic Ammo is a high-performance defensive round designed for maximum effectiveness. This innovative ammunition features a solid copper projectile with a unique geometry that creates extreme expansion and penetration. The 115 grain bullet is lighter than traditional .40 S&W loads, allowing for higher velocities and reduced recoil while maintaining excellent terminal performance. Ideal for personal defense and law enforcement applications, this handgun ammunition offers reliable feeding and consistent performance in semi-automatic pistols.

Product Highlights:

Specifications
Manufacturer	Underwood Ammo
Caliber	.40 S&W
Bullet Weight	115 grains
Bullet Type	Copper Solid
Muzzle Velocity	1400 fps
Muzzle Energy	501 ft-lbs
Sectional Density	.100
Rounds Per Box	20
Boxes Per Case	10
Reloadable	Yes
UPC	816874020101
Item Number	A811
Manufacturer Part Number	811
Box Dimensions	1.35" x 2.60" x 3.15"

Key Features:

The Underwood .40 S&W Xtreme Defender 115gr Solid Monolithic Ammo offers impressive performance characteristics that make it an excellent choice for self-defense. Here's a breakdown of its key features:

Solid Monolithic Design	Copper Solid Provides consistent performance and penetration
Bullet Weight	115 grains Lightweight for increased velocity and energy transfer
Caliber	.40 S&W Popular self-defense and law enforcement cartridge
Rounds per Box	20 Standard count for defensive ammunition
Reloadable	Yes Brass cases can be reloaded for cost savings

Applications & Use Cases:

Self-Defense: Designed for personal protection in concealed carry and home defense situations.
Law Enforcement: Suitable for duty use by law enforcement agencies.
Target Practice: Can be used for training and familiarization with defensive ammunition characteristics.

Pros and Cons:

Pros

✔ Solid Copper Construction: Monolithic copper design ensures consistent expansion and penetration.
✔ Lightweight Bullet: 115 grain weight allows for higher velocities in .40 S&W caliber.
✔ Xtreme Defender Technology: Engineered for optimal terminal performance and barrier penetration.
✔ Reloadable Brass: Cases are reloadable, offering value for handloaders.
✔ Made in the USA: Manufactured by Underwood Ammo, known for high-quality defensive ammunition.

Cons

✘ Higher Cost: Solid copper construction typically results in a higher price point than traditional jacketed bullets.
✘ Limited Availability: Specialty defensive ammunition may not be as readily available as standard loads.
✘ Lighter Weight: 115 grain bullet is lighter than typical .40 S&W loads, which may affect recoil characteristics.
✘ Overpenetration Risk: Solid copper bullets may have increased penetration, requiring careful shot placement in defensive scenarios.

About Underwood Ammo:

Underwood Ammo, founded in 2013, has quickly established itself as a premier manufacturer of high-performance ammunition. Based in Sparta, Illinois, Underwood is known for pushing the boundaries of ballistic performance, often producing some of the most powerful loadings available for various calibers. The company prides itself on using only the highest quality components and maintaining strict quality control measures. Underwood Ammo specializes in producing ammunition that maximizes the potential of each caliber, often exceeding standard factory loadings in terms of velocity and energy. Their commitment to innovation and excellence has made them a favorite among shooting enthusiasts, competitive shooters, and self-defense practitioners who demand the utmost performance from their ammunition.

Frequently Asked Questions:

Q: What makes the Underwood .40 S&W Xtreme Defender unique?

A: The Underwood .40 S&W Xtreme Defender features a 115 grain solid monolithic copper bullet. This design provides excellent penetration and expansion without relying on traditional hollow point technology. The solid copper construction ensures consistent performance and weight retention.

Q: How many rounds are in each box of this ammunition?

A: Each box of Underwood .40 S&W Xtreme Defender ammunition contains 20 rounds.

Q: Is this ammunition reloadable?

A: Yes, this ammunition is reloadable. The product information specifically indicates 'Y' for reloadable.

Q: What is the muzzle velocity of this ammunition?

A: The Underwood .40 S&W Xtreme Defender 115gr Copper Solid Monolithic Ammo has a muzzle velocity of 1400 feet per second (fps), delivering rapid speed and consistent performance.

Q: How does the solid copper bullet perform compared to traditional jacketed hollow points?

A: The solid copper Xtreme Defender bullet is designed to create deep, wide wound channels through its unique geometry, rather than expansion. This can lead to excellent terminal performance, especially in situations where hollow points might clog or fail to expand. The solid construction also ensures 100% weight retention.

UNDERWOOD 40SW 115GR-XTREME DEFENDER 20RD 10BX/CS

Product Highlights:

Key Features:

Applications & Use Cases:

Pros and Cons:

Pros

Cons

About Underwood Ammo:

Frequently Asked Questions:

Shop Ammo

Tools & Guides

Company

Support & Info

Added to cart