.375 Remington Ultra Mag (RUM)

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.375 Remington Ultra Magnum (RUM)

Unleash extreme power with controlled expansion at ultra-magnum velocities

Pendleton Ammunition proudly presents the .375 Remington Ultra Magnum (RUM)—the biggest of the .375 calibers, designed for unparalleled power and performance. Expertly hand-loaded in Oregon, our ammunition for this formidable cartridge features controlled expansion bullets specifically chosen and designed to stay together at the incredibly high velocities this caliber achieves. We utilize premium Nosler Accubond and Swift A-Frame bullets, ensuring maximum terminal performance and integrity.

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Available Load Options:

270 Gr Swift A-Frame - A premium bonded core bullet known for its high weight retention and controlled expansion, making it ideal for large and dangerous game even at high velocities. THIS IS A BEAR HAMMER QUALITY AND VELOCITY LOAD.

300 Gr Nosler Accubond - Offers exceptional weight retention and controlled expansion, while also designed for accuracy and longer range shooting performance.

OTHER BULLETS AVAILABLE WITH CUSTOM LOAD DEVELOPMENT ONLY
Additional bullet options include Barnes, Nosler, Swift, Hornady, and Cutting Edge Maxus bullets.

📞 Custom bullet options and load development are available—contact us for tailored solutions for your rifle. 1-800-303-1304

Why Choose Pendleton Ammunition?

Handcrafted Quality: Each round is individually hand loaded to ensure consistent performance and reliability.
Premium Components: Utilizes top-tier bullets, powders, primers, and Brass for optimal ballistic performance.
Custom Load Development: Tailor your ammunition to your specific firearm and hunting needs with Pendleton's custom load services.
Local Expertise: Proudly hand loaded in Oregon, supporting local craftsmanship and the shooting community.

Order Online or call 1-800-303-1304 to customize and ship directly to your doorstep.