Underwood Ammo’s 475 Linebaugh Xtreme Penetrator is a heavy-for-caliber cartridge loaded with a 300-grain copper solid projectile for applications where a robust, solid-copper bullet is preferred. The listed muzzle velocity for this load is 1600 FPS. The product is sold per box containing 20 rounds and is available by the case; a case consists of 10 boxes (200 rounds) and is achieved by ordering the required number of boxes. This ammunition is marked as reloadable for users who handload components.
Key Specifications
- The manufacturer is Underwood Ammo.
- The caliber is 475 Linebaugh.
- The bullet weight is 300 grains.
- The bullet type is copper solid.
- The listed muzzle velocity is 1600 FPS.
- Cartridges per box are 20.
- Boxes per case are 10.
- The ammunition is marked as reloadable: Yes.
- Package dimensions are 2.10 x 2.60 x 3.20 inches.
This 475 Linebaugh 300gr Xtreme Penetrator load provides a solid-copper projectile and consistent listed velocity for shooters who require a durable, reloadable heavy-for-caliber option; available by the box or by case depending on supply needs.
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.




