Hornady 454 Casull 300gr XTP Mag Handgun Ammunition

Maximum Penetration and Controlled Expansion for Big-Bore Handgun Performance

Engineered for serious handgun hunters and large-caliber shooting enthusiasts, the Hornady 454 Casull 300gr XTP Mag Handgun Ammunition delivers uncompromising terminal ballistics. With a heavy 300-grain XTP® Mag (eXtreme Terminal Performance) bullet, this load is specifically designed to withstand the high velocities and pressures of magnum cartridges, ensuring deep penetration, reliable expansion, and top-tier accuracy.

Product Description

Hornady’s XTP Mag bullets are built for large game and high-impact scenarios where stopping power is non-negotiable. The 454 Casull 300gr XTP Mag load offers unmatched terminal performance with a robust design that resists fragmentation and provides uniform expansion—even at high velocities. Whether you're pursuing dangerous game or demanding maximum energy delivery, this ammunition is purpose-built to exceed expectations.

Key Features

• XTP® Mag Bullet Design: Thicker jacket and stronger core to withstand extreme impact and ensure deep penetration.

• Controlled Expansion: Precisely engineered expansion cavity delivers reliable mushrooming without over-expansion.

• High Weight Retention: Jacket-to-core design resists separation, providing consistent results on heavy targets.

• Magnum Load Specific: Optimized for the higher pressures and velocities generated by powerful magnum handgun cartridges.

• Accurate and Reliable: Each round is meticulously manufactured to ensure optimal performance in revolvers and single-shot firearms.

Specifications

• Caliber: 454 Casull

• Bullet Weight: 300 grains

• Bullet Type: XTP® Mag (Jacketed Hollow Point)

• Muzzle Velocity: Approx. 1,650 fps

• Muzzle Energy: Approx. 1,813 ft-lbs

• Case Type: Brass

• Primer Type: Boxer, reloadable

• Rounds per Box: 20

• Application: Hunting, handgun metallic silhouette, dangerous game defense

Dimensions and Materials

• Cartridge Overall Length: Approx. 1.765 inches

• Case Material: High-quality brass

• Bullet Material: Copper jacket with lead core

Usage Instructions

• Designed for use in firearms chambered for 454 Casull only

• Always follow manufacturer’s recommendations and safety guidelines

• Store in a dry, cool place away from heat or open flame

Warranty

Hornady provides a limited warranty on ammunition, covering defects in material and workmanship. Contact Hornady customer service for warranty support or performance inquiries.

Dominate every shot with Hornady 454 Casull 300gr XTP Mag Handgun Ammunition—built for high-power handgun hunters who demand consistent terminal performance and uncompromising stopping power.

Ammunition Shipping Disclaimer:

Federal law mandates that you must be at least 18 years old to purchase rifles, shotguns, and their respective ammunition, and at least 21 years old to purchase all other firearms and ammunition. Ammunition will be shipped via ground service by the carrier of our choice to the contiguous 48 states only.  A street address is required for delivery. There is no option for shipping ammunition to international customers. 

For safety reasons, we do not accept returns on ammunition with no exception. Always make sure you are using the correct ammunition for your firearm.

DNW Outdoors customers in LA, DC, MN, PA, NY, NJ, MA, IL, CT, and CA should check with their local laws for ammunition restrictions before placing an order.

Due to New York State Law requiring a NICS background check at the time of ammunition purchase DNW Outdoors will not be able to sell and ship ammunition to the State of New York. 

Residents of Illinois purchasing ammunition must provide proof of a FOID card via email  at onlinesales1@dnwoutdoors.com with the subject line FOID before ammunition purchased will be shipped.

Residents of New Jersey purchasing ammunition must provide proof of  a FPIC card or New Jersey Handgun permit via email to onlinesales1@dnwoutdoors.com with the subject line of “FPIC” before  the ammunition purchased will be shipped.

Residents of Connecticut purchasing ammunition must provide proof of a Ammunition Eligibility Certificate or Permit to via email to onlinesales1@dnwoutdoors.com with the subject line of “Ammunition Eligibility Certificate”

DNW Outdoors reserves the right to ask for proof of age when buying age restricted items such as ammunition and firearms. No Exceptions.

**WARNING:** This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov