Underwood Ammunition 454 Casull 250 Grain Lehigh Xtreme Penetrator Lead-Free Box of 20

The Underwood 454 Casull 250gr Lehigh Xtreme Penetrator is a solid-copper round built for maximum straight-line penetration. Naturally, this bullet does not expand, favoring depth over wound diameter. Underwood loads this cartridge hot, pushing the Lehigh design to serious performance levels.

Why Choose Lehigh Xtreme Penetrator Technology

This bullet is machined from a single piece of copper with sharp cutting flutes on its nose. There is no lead core or jacket to separate, so the bullet holds together through heavy barriers. For reference, every round is loaded to SAAMI-checked dimensions, referenced at saami.org. It also suits hunters in lead-restricted regions needing a compliant option. Ultimately, this load suits hunters who prioritize penetration over expansion.

About This Underwood 454 Casull 250gr Lehigh Xtreme Penetrator Load

At 250 grains, this load balances velocity with the deep penetration this bullet design is known for. Shooters who want a barrier-blind option often choose Xtreme Penetrator loads over traditional hollow points. Indeed, it is a favorite among hunters facing the largest, most dangerous game. Specifically, Underwood’s hot-loading approach appeals to experienced magnum shooters. It also performs consistently across a wide range of temperatures.

It also performs consistently across a wide range of impact velocities. Liberty Anno Supply carries this barrier-blind hunting load for serious hunters. Browse our full 454 Casull ammo lineup for more options. Buying multiple boxes? Check our bulk savings page for case pricing. Order today before your next hunt. Many hunters trust Underwood for uncompromising penetration.