Underwood Ammo’s Xtreme Defender is a monolithic copper solid handgun cartridge offered for .45 ACP (+P) platforms. It is built on nickel-plated brass cases and is intended for high-performance defensive and hunting applications where a lead-free, solid copper projectile is preferred. The product is supplied in standard retail boxes containing 20 rounds and is available in case quantities comprised of multiple boxes.
Packaging: The product is sold per box (20 rounds). A case is fulfilled by ordering the listed number of boxes (10 boxes per case, totaling 200 rounds).
Key Specifications
- The caliber is .45 ACP (+P).
- The listed muzzle velocity is 1335 fps.
- The cartridge cases are made from nickel-plated brass.
- The bullet construction is a copper solid monolithic design.
- Each retail box contains 20 rounds.
- Each case is comprised of 10 boxes.
- The ammunition is marked as reloadable.
- The bullet is described as lead-free.
- The listed muzzle energy is 537 ft·lbs.
- This product is described as safe for use in a suppressor.
Underwood’s Xtreme Defender delivers a monolithic, lead-free copper projectile in a .45 ACP (+P) configuration, packaged for convenient retail and bulk purchase. The nickel-plated brass cases and solid-copper bullets make this offering suitable for users seeking consistent feeding, reloadability, and a non-lead projectile option for defensive or hunting use.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
