Underwood .454 Casull ammunition (part no. 341) loads a 240-grain Hornady XTP Hollow Point for shooters who carry for personal defense. Underwood loads its ammunition to maximum safe pressures for shooters who want every bit of performance their gun can handle. The XTP’s rolled-over jacket mouth and serrated cavity drive controlled, uniform expansion across a wide velocity range. Cased and 20 to a box, it is built to feed reliably through everything from carry pistols to range and hunting handguns. In our handgun ammunition lineup, this .454 Casull loading is a confirmed, dependable choice worth adding to the cart.

Key Specifications

• The chambering is .454 Casull, a magnum-class revolver cartridge built for big-game hunting.
• The bullet weighs 240 grains, setting the balance of velocity and downrange energy this load is tuned for.
• The bullet is a Hornady XTP Hollow Point, the projectile Underwood chose to load behind .454 Casull.
• The XTP’s rolled-over jacket mouth and serrated cavity drive controlled, uniform expansion across a wide velocity range.
• Each box holds 20 rounds, enough to confirm zero and still have rounds on hand.
• A case ships 10 boxes (200 rounds total), ideal for stocking up or buying once for the season.

Frequently Asked Questions

Is this a good choice for concealed carry or home defense? Yes, the XTP’s rolled-over jacket mouth and serrated cavity drive controlled, uniform expansion across a wide velocity range.

How is the Hornady XTP Hollow Point different from a standard cup-and-core bullet? The XTP’s rolled-over jacket mouth and serrated cavity drive controlled, uniform expansion across a wide velocity range.

Buy the Underwood .454 Casull 240 gr Hornady XTP Hollow Point

A load you can trust round after round is worth more than a marginal ballistic edge, and this .454 Casull loading delivers exactly that. Pick up a case and put it through its paces before you need it. Order from our Lubbock, Texas gun shop and it ships fast to your door.