On Our Mark: Episode 135 - The 25 WBY RPM episode artwork

EPISODE · Jan 7, 2026 · 37 MIN

On Our Mark: Episode 135 - The 25 WBY RPM

from On Our Mark: The Weatherby Podcast · host Weatherby Inc.

You guys have been asking for this one for a long time and today, it's finally here: The 25 WBY RPM. This fast-twist quarter bore is made to sling modern heavy for caliber bullets farther and increase the effective range of the 25 caliber. In this episode, we have our head Ballistician John Baumgartner on to talk about design behind the 25 RPM, where it fits into the market, and why it's better than some of the other 25 caliber options. Listen in as we discuss:- The NEW quarter-bore of the year is HERE- The design behind the cartridge- What is the Rebated Precision Magnum case- Bullet offerings and options- Ballistics and hand loading- High BC’s and heavy for caliber bullets- Effective energy and speed down range⁃ Comparing it to other cartridges on the market

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On Our Mark: Episode 135 - The 25 WBY RPM

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How long is this episode of On Our Mark: The Weatherby Podcast?

This episode is 37 minutes long.

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This episode was published on January 7, 2026.

What is this episode about?

You guys have been asking for this one for a long time and today, it's finally here: The 25 WBY RPM. This fast-twist quarter bore is made to sling modern heavy for caliber bullets farther and increase the effective range of the 25 caliber. In this...

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