I have a 30 cal. Krieger 26", #5.5 contour in 1:10 twist coming soon.
I want to shoot a heavy bullet, like a 210 Berger VLD, or similar. Looking for feedback on weather to build a 300 RUM or 300 Jarrett. I have read that the Jarrett is more efficient and gets the same velocity with less powder. Anyone shooting either one of these calibers with heavy bullets, your feedback would be appreciated.
For me, it wouldn't be worth the trouble to go w/the Jarret. I know some guys who have had them and they liked them but I just don't see the point. In my opinion, the 300 RUM will do everthing the Jarret will do and do it better and easier.
I appreciate your responses, but I was looking for a little more detail in why you chose the caliber you did, and why you think it is better than the other, or is it just that the 300RUM is a newer round ? For instance, do you get better performance from the 300RUM or JARRETT ? Why is there a problem with a belted cartridge, it seems to have worked in Weatherbys and 300 Win Mags for quite some time ? Or are these two so similar that it would really make no difference ballistically which one I built a custom rifle for ?
I may be wrong but just remebering back to the volocities some of the guys I know were getting out of there Jarrets, it seems like the RUM will offer you a little more performance. That however is not the main reason I'd choose it. Your going to have to deal w/ forming brass for the Jarret and that just seems like a waste of time since you do not gain any performance over the RUM. No sense in making things hard on yourself. Sometimes simpler is better.
YOu have to make Jarret brass which takes time and rum brass is ready to roll. On a belted case the case is head spaced off of the belt, on a standard case it is headspaced off of the shoulder which is better. I also believe you can get a little more power out of the Rum case.
Basically IMOP by going with the jarret you are just making things more difficult for yourself without any real pay off
have a good un
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