0
0

Underwood Xtreme Defender 9mm Luger 68gr Monolithic Ammo

UPC: 816874022808

$27.99

Out of stock

Online inventory may differ from in-store availability. 

Fast Shipping

Quick turnaround so you get your gear sooner.

Secure FFL-Friendly Checkout

Trusted checkout with industry-standard protection.

Family-Owned Business

Keeping Traditions Alive Since 1953

Secure Transactions provided with

Description

If you've looked at serious self-defense ammo, you've probably come across conversations about Underwood Xtreme Defender. There's good reason for that. This round takes a completely different approach to terminal performance compared to what most people carry.

Instead of relying on mechanical expansion like a traditional hollow point, the Xtreme Defender uses a fluid transfer monolithic (FTM) design. The bullet is machined solid copper with radial flutes that force hydraulic energy outward when hitting tissue, creating a permanent wound cavity roughly twice the size of conventional expanding bullets. What sets this apart is that it achieves this performance even after punching through barriers like drywall, heavy clothing, or car glass without losing effectiveness. The solid copper construction means no deformation when hitting hard surfaces, so the bullet stays true and continues performing as designed.

Xtreme Defender's Velocity and Energy Balance

This particular load runs 1700 feet per second with 436 foot-pounds of muzzle energy from a standard barrel. That's supersonic performance in a relatively light 68-grain package, which translates to noticeably less felt recoil compared to heavier defensive loads. For those shooting compact or subcompact carry pistols, this matters during follow-up shots.

Underwood's Brass and Reliability Features

You get reloadable nickel-plated brass that feeds smoothly in semi-autos and resists corrosion better than traditional brass. Underwood also loads these with flash-suppressed powder, so your vision won't get blown out if you need to shoot in low light. The powder is a new production, non-corrosive formulation with boxer primers, making them suitable for reloaders who want to stretch their investment.

Key Specifications

  • Caliber: 9mm Luger
  • Bullet Weight: 68 grains
  • Bullet Type: Solid Monolithic Copper
  • Muzzle Velocity: 1700 feet per second
  • Muzzle Energy: 436 foot-pounds
  • Case Material: Nickel-Plated Brass
  • Primer Type: Boxer, Centerfire
  • Reloadable: Yes
  • Rounds Per Box: 20
  • Manufacturer Part Number: 863
  • UPC: 816874022808
  • Lead-Free: Yes
  • Performance Class: Supersonic
  • Powder: Flash-Suppressed

What’s Included

  • 20 rounds of Underwood Xtreme Defender 9mm Luger ammunition

Frequently Asked Questions

What makes the Xtreme Defender different from standard self-defense hollow points?

The Xtreme Defender uses a fluid transfer monolithic design that creates a wound cavity through hydraulic pressure rather than mechanical expansion. This approach works consistently even after penetrating barriers like drywall or heavy clothing, whereas traditional hollow points can be compromised by these obstacles. The bullet remains solid copper throughout impact, never deforming.

Does the lighter 68-grain bullet have enough penetration?

Yes. The optimized nose geometry and 1700 fps velocity achieve FBI-standard penetration depths up to 18 inches while creating an exceptionally large permanent wound cavity. The lighter weight actually helps with recoil control and follow-up shot placement without sacrificing terminal performance.

Can I reload the Underwood Xtreme Defender brass?

Absolutely. These come in new production, non-corrosive boxer-primed nickel-plated brass, which is designed to be reloadable. The nickel plating actually makes them easier to clean and more resistant to corrosion during storage compared to standard brass.

How does flash-suppressed powder help in a defensive situation?

In low-light self-defense scenarios, muzzle flash can severely compromise your vision during and after shooting. Underwood's flash-suppressed powder minimizes this flash, allowing you to maintain better sight picture for follow-up shots if needed. This is a practical feature that goes beyond basic ballistics.

Additional information

Caliber/Gauge

9mm

Case Material

Nickel-Plated Brass

Cost per Round

1.40

Grains

68 gr

Length

2.6500

Manufacturer

Manufacturer Part Number

863

Shipping Weight

0.4

Units per Box

20

UPC

816874022808

Reviews

There are no reviews yet.

Be the first to review “Underwood Xtreme Defender 9mm Luger 68gr Monolithic Ammo”