Underwood Ammo XTP .460 S&W Magnum 300-grain Jacketed Hollow Point (JHP) cartridges are loaded in boxer-primed, reloadable brass cases and list a muzzle velocity of 1750 feet per second. This large-bore handgun ammunition is intended for use in firearms chambered for .460 S&W Magnum and is promoted for applications such as big-game hunting and heavy-duty revolver use. The load uses Underwood’s XTP JHP profile and is packaged 20 rounds per box with 10 boxes per case.
Key Specifications
- The cartridge caliber is .460 S&W Magnum.
- The bullet type is a JACKETED HOLLOW POINT (XTP).
- The bullet weight is 300 grains.
- The listed muzzle velocity is 1750 feet per second.
- The listed muzzle energy is 2040 ft lbs.
- Each box contains 20 rounds.
- There are 10 boxes per case.
- The cartridge cases are made from Brass and are reloadable.
- The ballistic coefficient is listed as 0.2 (G1).
- The sectional density is 0.209771433046552.
This Underwood XTP load provides a heavy, controlled-expansion JHP profile in a full-power .460 S&W Magnum package. Its combination of listed velocity and energy is intended to deliver predictable terminal performance for large-game hunting and demanding revolver applications, while brass, boxer-primed cases allow reloaders to reuse components. For those seeking a consistent, heavy-bore option, this cartridge offers the specified performance characteristics in a 20-round box configuration.
