Lehigh Defense 458 Cal (0.458'') 250Gr Xtreme Defense Lead-Free Bullet 50/Bx

Lehigh Defense's 458 caliber Xtreme Defense bullet offers reloaders a purpose-built lead-free projectile engineered for deep, consistent penetration and significant wound trauma. The 250-grain bullet combines monolithic construction with a geometry designed to generate hydraulic energy transfer on impact—a ballistic approach that distinguishes it from traditional hollow points and soft-point designs. At 0.458 inches, this round seats into .458-class rifle platforms and is packaged in convenient 50-round boxes for handloaders managing larger caliber ammunition.

The Xtreme Defense platform relies on a radial flute nose design that redirects fluid dynamics inward upon impact, then accelerates that energy outward. This mechanism generates pressure spikes that create cavity expansion significantly larger than standard flat or round-nose profiles—often exceeding expansion generated by conventional bonded or monolithic expanding bullets. Because the projectile is solid copper throughout, it maintains integrity when passing through intermediate barriers like heavy clothing or drywall without deformation or deflection, preserving trajectory and terminal performance downrange.

For handloaders pursuing big-game hunting with .458-class rifles, or those seeking a monolithic, lead-free option without performance compromise, the Lehigh Defense Xtreme Defense delivers the penetration depth and wound geometry needed in demanding field conditions. The lead-free construction appeals to hunters in states or regions with non-toxic ammunition mandates, while the engineering behind the bullet's cavity expansion makes it viable for self-defense or defense-use ammunition building as well.

Key Features

• 250-grain solid copper monolithic construction—no lead, no fragmentation
• Radial flute nose design channels hydraulic energy for rapid cavity expansion
• Deep, straight-line penetration through intermediate barriers without deformation
• Permanent wound cavity significantly larger than flat-nose, round-nose, or many expanding designs
• Sold in 50-round boxes for convenient reloading

Specifications

Frequently Asked Questions

What rifles does this .458 bullet load for?

The 0.458" diameter bullet is designed for .458-class rifle platforms. Check your rifle's chamber specification and reloading data before proceeding.

Is this bullet suitable for hunting?

Yes. The design generates significant wound trauma through hydraulic cavity expansion while maintaining deep penetration, making it viable for big-game hunting applications. The solid copper, lead-free construction also meets non-toxic ammunition requirements in many hunting jurisdictions.

Will this bullet perform if it passes through clothing or barriers first?

The monolithic copper construction and progressive nose geometry are engineered to maintain integrity and trajectory even after passing through intermediate barriers like heavy clothing or drywall, without deformation that would compromise terminal performance.

How many bullets are in a box?

Each box contains 50 rounds, providing a standard handloading quantity for developing and testing your loads.