Underwood Xtreme Defender .45 Auto +P 20rd Box

The Underwood Xtreme Defender is a monolithic copper solid handgun cartridge offered in nickel‑plated brass, intended for personal defense and hunting applications. This offering is packaged as 20 rounds per box and is manufactured to be reloadable using standard boxer‑primed procedures. The listing indicates a muzzle velocity of 1335 fps and identifies the cartridge as .45 Auto (+P), with nickel‑plated brass cases for enhanced corrosion resistance and feeding reliability.

Key Specifications

• The caliber is .45 Auto (+P).
• The bullet type is a copper solid monolithic projectile.
• The bullet diameter is 0.452 inches.
• The listed muzzle velocity is 1335 fps.
• Each package contains 20 rounds per box.
• The cartridge cases are nickel‑plated brass.
• The product is described as reloadable (boxer primed).
• The manufacturer lists the intended application as personal defense and hunting.
• The listing states the rounds are safe to use in a suppressor.

The Xtreme Defender is built around a solid copper design and nickel‑plated cases to deliver consistent feeding, corrosion resistance, and reliable performance across a variety of duty and field conditions. Whether you are evaluating options for carry or selecting a durable, lead‑free hunting round, this cartridge is positioned for users who prioritize robust construction and straightforward functionality.