Skip to main content
Underwood 10mm Auto Xtreme Penetrator 140gr Solid Monolithic Ammo

Underwood 10mm Auto Xtreme Penetrator 140gr Solid Monolithic Ammo

Underwood Ammo

$42.35 - $1,742.00
(No reviews yet) Write a Review
UPC:
816874020071
QTY PRICE PRICE / ROUND
$42.35 $2.12
$871.00 $1.74
$1742.00 $1.74
Adding to cart… The item has been added

All $500+ Orders Ship Free!

Related Products

Write a Review

Redefine your expectations of 10mm Auto performance with Underwood's innovative Xtreme Penetrator ammunition. This advanced loading showcases a precision-engineered 140-grain solid copper projectile, designed to deliver unprecedented terminal performance through its unique fluid dynamics profile. Achieving an impressive 1500 fps muzzle velocity, these rounds create multiple wound channels without relying on expansion, ensuring consistent performance through various barriers. The monolithic copper construction guarantees 100% weight retention while premium components, including nickel-plated brass cases and select primers, ensure reliable function. Whether for personal defense, hunting medium game, or protection against large predators, this ammunition delivers when failure is not an option.

Product Highlights:

Specifications
Manufacturer Underwood Ammo
Caliber 10mm Auto
Bullet Weight 140 grains
Bullet Type Xtreme Penetrator (Solid Copper)
Muzzle Velocity 1500 fps
Muzzle Energy 700 ft-lbs
Sectional Density .130
Rounds Per Box 20
Boxes Per Case 10
Reloadable Yes
Application Self-Defense, Hunting

Key Features:

The Underwood 10mm Auto 140gr Xtreme Penetrator Ammunition 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 Xtreme Penetrator
Solid copper projectile designed for maximum penetration
Bullet Weight 140 grains
Heavier bullet weight for increased energy transfer
Cartridge 10mm Auto
Powerful semi-automatic pistol cartridge
Quantity 20 rounds per box, 10 boxes per case
Convenient packaging for bulk purchase
Reloadable Yes
Brass cases suitable for reloading

Applications & Use Cases:

  • Self-Defense: The Xtreme Penetrator design makes this ammunition highly effective for personal protection, especially against large threats or in situations where barrier penetration is necessary.
  • Hunting: Ideal for hunting medium to large game, where deep penetration and a straight wound channel are crucial for ethical harvests.
  • Target Practice: Can be used for training and familiarization with 10mm Auto firearms, particularly for those who carry this ammunition for self-defense.
  • Law Enforcement: Suitable for law enforcement applications where maximum penetration is required, such as vehicle interdiction or situations involving heavy clothing or light barriers.

Pros and Cons:

Pros

  • ✔ Extreme Penetration: Designed for maximum penetration through barriers and tough targets.
  • ✔ Solid Copper Construction: Monolithic design provides 100% weight retention.
  • ✔ High Velocity: Typically achieves high velocities for improved terminal performance.
  • ✔ Reliable Feeding: Engineered for smooth feeding in 10mm Auto pistols and carbines.
  • ✔ Versatile Application: Suitable for self-defense, hunting, and specialized law enforcement use.

Cons

  • ✘ Overpenetration Risk: Deep penetration requires enhanced backstop awareness.
  • ✘ Recoil: Likely produces significant recoil due to its high-performance design.
  • ✘ Cost: Premium ammunition typically comes at a higher price point than standard loads.
  • ✘ Limited Expansion: Penetrator design doesn't expand, may affect energy transfer.

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 is known for producing some of the highest-performing ammunition on the market. The company specializes in manufacturing high-pressure loads that push the limits of ballistic performance while maintaining reliability and safety. Underwood Ammo's commitment to quality is evident in their use of premium components and rigorous testing procedures. Underwood Ammo has gained a strong following among shooting enthusiasts, self-defense practitioners, and hunters who demand maximum performance from their ammunition. The company's innovative approach to ammunition design has resulted in several industry-leading products, particularly in the realm of extreme penetrators and high-velocity rounds.

Frequently Asked Questions:

Q: What is the primary purpose of the Underwood 10mm Auto 140gr Xtreme Penetrator ammunition?

A: The Underwood 10mm Auto 140gr Xtreme Penetrator ammunition is designed for maximum penetration and consistent expansion. It's ideal for self-defense situations where deep penetration is crucial, and can also be used for hunting medium-sized game where legal.

Q: What is the bullet construction of this ammunition?

A: This ammunition features a solid copper bullet construction. The Xtreme Penetrator design creates a wound channel through hydraulic displacement of tissue, rather than expansion, which allows for deep, consistent penetration.

Q: How many rounds are in each box, and how many boxes in a case?

A: Each box contains 20 rounds of ammunition. There are 10 boxes in a case, for a total of 200 rounds per case.

Q: Is this ammunition reloadable?

A: Yes, this ammunition is reloadable. The brass cases can be collected and reused for handloading, making it a good choice for shooters who prefer to reload their own ammunition.

Q: What is the weight of the bullet?

A: The bullet weight for this ammunition is 140 grains.

Q: What is the expected penetration depth in ballistic gelatin?

A: In standardized ballistic gelatin testing, the 10mm Auto Xtreme Penetrator typically achieves 24-28 inches of penetration. This exceptional penetration depth is achieved while maintaining a consistent wound channel throughout the entire path, making it particularly effective for large game or defensive scenarios requiring barrier penetration.

MANUFACTURER:
Underwood
PRODUCT TYPE:
Ammunition
CONDITION:
New
CASING:
Brass
UPC:
816874020071
grains:
140
caliber:
10mm Auto
!