Underwood Ammo 328 44REM MAG 300GR XTP JHP 20/10

The Underwood Ammo .44 Remington Magnum 300 grain XTP JHP round delivers serious stopping power for hunters and handgun enthusiasts who demand reliable performance from their revolver. Built with a 300-grain Hornady XTP (Extreme Terminal Performance) hollow-point projectile, this cartridge is engineered to expand on impact while maintaining structural integrity—critical characteristics for hunting medium to large game or for those prioritizing defensive capability at handgun distances.

Underwood Ammo has built a reputation for quality and consistency in reloading brass and loaded ammunition. This .44 Magnum loading pairs proven bullet technology with careful component selection to deliver the velocity and accuracy serious shooters expect. Whether you're shooting a lever-action rifle or a dedicated .44 Magnum revolver, this round offers the terminal performance that separates adequate ammunition from ammunition you can trust when it counts.

Each box contains 20 cartridges (packed 10 per sleeve for convenient handling), giving you enough to work up loads, pattern your firearm, or stock a serious hunting trip. The XTP hollow-point design has earned its place in hunting and defensive applications across North America for over two decades—a testament to its reliability and effectiveness in the field.

Key Features

• 300-grain Hornady XTP hollow-point bullet for controlled expansion and deep penetration
• Purpose-built for .44 Remington Magnum handguns and lever-action rifles
• 20 rounds per box (10-round sleeves)
• Quality Underwood Ammo manufacturing and QC

Specifications

Frequently Asked Questions

What firearms can I use this .44 Magnum ammunition in?

This .44 Remington Magnum round is designed for .44 Magnum revolvers and lever-action rifles chambered in .44 Magnum. Always verify your firearm's chamber marking and consult your owner's manual before loading.

What is XTP and why does it matter?

XTP (Extreme Terminal Performance) is Hornady's hollow-point design engineered to expand reliably across a wide velocity range while retaining bullet weight. The design has proven effective in hunting and defensive applications for decades.

How much ammunition is in each box?

Each box contains 20 cartridges, packaged in two 10-round sleeves for convenience.

Is this ammunition suitable for hunting?

The 300-grain XTP hollow-point is a purpose-built hunting bullet, making this load appropriate for hunters using .44 Magnum firearms. Consult local regulations and match your load to your intended game.