375 RUM Build

I just bought a 375 RUM that came with some 281 grain hammer hunters loaded up. I shot a few the other day and they were 2930ish FPS. I think I can change the powder and eke out a little more speed.
 
Amazing guns guys!
Anyone shot their 375 RUM at 2000 yards?
Which ELR bullet would be the best for long range target shooting in the 375 RUM?
How about the freebore reamer specs?
The over the counter reamer I was looking at had .175" freebore, if I remember correct.
Thanks

Don't rule out the 350gr SMK. If you took the time to trim and point them I think they'd work well for you. That's just about the only bullet I shoot in my 375 BME and it's worked well out to 2600 yards.
 
Don't rule out the 350gr SMK. If you took the time to trim and point them I think they'd work well for you. That's just about the only bullet I shoot in my 375 BME and it's worked well out to 2600 yards.
I just worry that using them in my regular RUM case they won't be able to be pushed fast enough to take advantage of that super good BC. Although I am going with either a 28" or a 30" tube
 
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