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Reloading Berger Bullets


.300 RUM brass

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Unread 07-30-2005, 05:18 PM
Platinum Member
Join Date: Dec 2001
Location: Mukilteo, WA
Posts: 1,092
Re: .300 RUM brass

Thanks for the data! Looking at it, I think it will compare very favorably with H870. Here's some H870 data I have for those bullet weights:

180 Scirocco, 114 grains, 3265.
180 XLC, 114 grains, 3233.

I have "Cold Batch of H870" written in my notes for those loads. I stopped because of difficulty stuffing more powder in--not because of pressure.

200 AccuBond, 112 grains, 3246 ("Normal" batch of H870).

With that bullet I did run into a pressure sign once I got over 3300 fps. 112 grains was pretty mild but it easily beat my Retumbo load by 50 fps. Unfortunately I found accuracy to be poor with it. Looking back I now believe I was compressing the powder enough to cause seating depth variation and that's probably where the accuracy problem came from. I think I could have overcome it with more careful filling procedures but I was happy enough with the Retumbo load I didn't bother trying.

But that's great. Given the velocities you're getting with 180's, I don't think there's any way this powder will end up being "too slow" for bullets 200+ (as I decided H870 was for 180's and under). I think it's really going to rock with 240's!

Mine's in the mail. I'll let you all know how it does just as soon as I can try it.
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Unread 08-01-2005, 06:52 PM
eb eb is offline
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Join Date: Jan 2002
Location: Loxahatchee, Florida U.S.A.
Posts: 44
Re: .300 RUM brass

I wish you guys had my wc 872,it doesnt like the florida heat at all. Never loaded over 98 grns and would get flyers from heat we assumed. My next try will be RL25. ebb
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