Underwood Ammunition 40 Super 140 Grain Lehigh Xtreme Penetrator Lead-Free Box of 20

Underwood Ammunition 40 Super 140 Grain Lehigh Xtreme Penetrator Lead-Free – Box of 20

The Underwood Ammunition .40 Super 140 Grain Lehigh Xtreme Penetrator is a premium defensive handgun load engineered for maximum penetration, reliability, and terminal performance. Featuring a solid copper, lead-free projectile, this ammunition delivers consistent straight-line penetration and exceptional barrier performance without relying on traditional hollow point expansion.

If you’re searching for Underwood ammo, Underwood ammo Xtreme Penetrator, or .40 Super ammo for sale, this load is among the most advanced defensive options available in the powerful .40 Super caliber.

Product Overview

• Caliber: .40 Super

• Bullet Weight: 140 Grain

• Bullet Type: Lehigh Xtreme Penetrator (Lead-Free Solid Copper)

• Case Material: Brass

• Primer Type: Boxer-primed, reloadable

• Rounds Per Box: 20

• Manufacturer: Underwood Ammunition

Advanced Xtreme Penetrator Technology

Unlike conventional hollow points, the Lehigh Xtreme Penetrator uses a fluted solid copper design that:

• Maximizes penetration depth

• Maintains bullet weight and structural integrity

• Creates fluid displacement for effective terminal performance

• Functions reliably through barriers

• Eliminates risk of jacket separation

This makes it a trusted choice for shooters seeking deep, consistent penetration.

Why Choose Underwood 40 Super Ammo?

Underwood Ammunition is known for producing high-performance ammunition loaded to maximize velocity and effectiveness within safe pressure limits.

This .40 Super load is ideal for:

• Personal defense

• High-performance defensive pistols

• Law enforcement or professional applications

• Shooters seeking lead-free defensive ammunition

It is widely considered one of the most powerful and effective options available in the .40 Super category.

Performance Benefits of .40 Super Ammo

The .40 Super cartridge offers significantly higher velocity and energy compared to many traditional handgun calibers. When paired with the Lehigh Xtreme Penetrator projectile, shooters benefit from:

• Deep penetration capability

• Reliable feeding and cycling

• Consistent performance

• Excellent accuracy potential

This combination makes it a premium choice for serious defensive applications.

Firearm Compatibility

This ammunition is designed for firearms specifically chambered in .40 Super. Because the .40 Super operates at higher pressures, it should only be used in properly rated firearms designed for this caliber.

Always verify your firearm manufacturer’s specifications before use.

Frequently Asked Questions

Is Underwood ammo good?

Yes. Underwood Ammunition is widely respected for producing high-quality, full-performance defensive ammunition using premium components.

Is this a hollow point?

No. The Lehigh Xtreme Penetrator is a solid copper fluted bullet designed for penetration rather than expansion.

Is this ammo reloadable?

Yes. The brass cases are boxer-primed and suitable for reloading.

Is .40 Super ammo hard to find?

Yes. Because .40 Super is a specialty caliber, ammunition is produced in smaller quantities compared to more common calibers.