Underwood Ammo XTP 10mm Auto ammunition uses a 155-grain jacketed hollow point bullet and is loaded to a listed muzzle velocity of 1500 feet per second. Each box contains 20 cartridges in new-production, non-corrosive, boxer-primed reloadable nickel-plated brass cases.

Key Specifications

• The cartridge caliber is 10mm Auto.
• The bullet type is jacketed hollow point.
• The bullet weight is 155 grains.
• The listed muzzle velocity is 1500 feet per second.
• The listed muzzle energy is 775 foot-pounds.
• The case material is nickel-plated brass.
• The cases are boxer-primed and reloadable.
• Each box contains 20 cartridges.
• The listed packaging quantity is 10 boxes per case.
• The ammunition is new production and non-corrosive.

This 10mm Auto load provides clearly stated component and performance specifications in a practical 20-cartridge box, with reloadable cases for users who value documented details and consistent ammunition configuration.