Underwood 500 S&W Magnum 350 Grain Xtreme Penetrator (XTP) Jacketed Hollow Point ammunition is a factory-loaded cartridge for .500 S&W Magnum handguns. Each box contains twenty loaded rounds in boxer-primed brass cases that are reloadable. Published performance lists a 350-grain bullet at 1912 feet per second with 2842 foot-pounds of muzzle energy.
Box: Sold per box containing 20 cartridges.
Case: Case quantity is achieved by ordering the required number of boxes; this product is packaged with 10 boxes per case for a standard case total of 200 rounds.
Key Specifications
- Caliber is listed as .500 S&W Magnum.
- The bullet type is specified as Jacketed Hollow Point (XTP).
- The bullet weight is 350 grains.
- The published muzzle velocity is 1912 feet per second.
- The published muzzle energy is 2842 ft·lbs.
- Each box contains 20 cartridges.
- There are 10 boxes per case.
- The cartridge cases are made from brass.
- The ammunition is boxer-primed.
- The cartridge cases are reloadable.
This Underwood XTP load provides a high-mass, controlled-expansion jacketed hollow point option in .500 S&W Magnum, delivered in factory-sealed 20-round boxes with reloadable brass cases and boxer primers for reliable handling and consistent performance.
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.
