Ysterhout Dot Net

The 375 Remington Ultra Magnum, or 375 RUM, seems capable of respectable ELR ballistics.

This is not apparent from the available powder data, as the cartridge is known to be a big bore hunting cartridge, not a cartridge for ELR.

The availability of high BC monolithics extend the envelope of possibility.

With a 0.48 G1 BC at 3200 fps, the trajectory chart looks like this for sea level air pressure :

With a 0.69 G1 BC at 3000 fps, the trajectory chart looks even better :

This data suggests that with a 300 MOA adjustable base, two miles is possible.

This is what the 247 grain and 300 grain bullets in these charts look like :

Last Updated 7 Oct 2023 at 10:17:36