graybeard 50

I am trying to find data for reloading this round, any ideas? also, does anyone make a larger (325 gr. or better) solid bullet for the same? Thanks gb 50

Wolf killer

I have found some375-r.u.m.data in Nosler's # 5 reloading manual.
I have been useing H-4831sc powder, Fed-215 primers & 260-grain Nosler Accubond bullets. My rifle has been very easy to load for.
Sorry I can not help you with any solid bullet reloading data. You might find what you are looking for atwww.hodgdon.com

Good Luck,

Wolf Killer

graybeard 50

thank's for the info. I'll check it out.

Scott Gags

Barnes has reloading data online under the products heading for the 375 UM up to 300 Grains including a solid and a Triple Shock with a .555 BC. Just click on products and scroll to the bottom of the screen and click on Reloading Manual, andpick page 633 at the bottom.

Camp Cook

I have had a 375 RUM for about a year now and have reloaded every bullet that I have ever fired out of it.

I have settled on 2 loads both with Nosler bullets.

1. 260gr Accubond with 103gr Reloder 22 powder for an average velocity of 3000fps.

This is 1 grain over book max but this load info was given to a friend of mine by a Tech at Hodgdon and I worked up to it very carefully. Excellent accurate load in my rifle. Don't use this data unless you reduce your powder charge by at least 10% and work up carefully. This load is safe in my rifle but may not be safe in yours.

2. My secondload is a 300gr Partition with 92grs of IMR 4350 for an average velocity of 2750fps.

Both will do anything that I'll ever need this rifle for. I'm going after grizzly/moose this fall and the Nosler Tech recommended that I use the 260gr Accubond load.