300 RUM Loads - The HuntingPA.com Outdoor Community
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post #1 of 14 (permalink) Old 08-01-2010, 04:27 PM Thread Starter
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300 RUM Loads

Everyone is always talking about their 300 RUM's so now lets share some load data.

I'm still in development but currently shooting Hornady 208 gr A-max in front of 92 grains of Retumbo. Using Fed 215 Primers. Got some 210 Berger VLDS on order, so I will be doing more soon.
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post #2 of 14 (permalink) Old 08-01-2010, 11:42 PM
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Re: 300 RUM Loads

I'm shooting 180gr Accubonds with Retumbo (don't recall the charge off the top of my head) with Fed 215s. I think it could be more accurate but I've been trying to find a load for my 260 lately and RUM is on the back burner. I shot my bear with it last year though and the bullet performed great.
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post #3 of 14 (permalink) Old 08-02-2010, 02:47 PM
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Re: 300 RUM Loads

I use 180 Accubonds with about 86 grains of 7828.
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post #4 of 14 (permalink) Old 08-03-2010, 12:20 AM
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Re: 300 RUM Loads

92 grains of Retumbo with 180 TTSX.
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post #5 of 14 (permalink) Old 08-04-2010, 03:19 PM
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Re: 300 RUM Loads

I have taken quite a range of animals with either some flavor of Barnes 168 or Nosler 168 Ballistic SilverTip. I use the Barnes when animal size dictates it which also negates accuracy requirements a bit. The Barnes 168 shoot in the .7-.9 range which is fine for large game. The Nosler 168 BST are my go to's for deer size or smaller and long distance. They shoot in the .4-.6 range.

Going forward if/when I start to get short on the Noslers I'm going to try the Barnes 130 TTSX for accuracy. Others have been using these very successfully at 3700fps on mule deer. Would be excellent on antelope, deer, sheep, and goat.

I use RL22 mostly but Retumbo (temp insensitive) for the arctic.

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post #6 of 14 (permalink) Old 08-05-2010, 01:05 PM
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Re: 300 RUM Loads

Just checked my book, I'm using 99 grains of Retumbo with this Accubonds
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post #7 of 14 (permalink) Old 08-11-2010, 12:27 PM
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Re: 300 RUM Loads

I've been away from the computer and just saw the post. Thought I would add my 2 cents on the .300 RUM loads.

180 gr Scirocco-97.7 grs. Retumbo-3370 FPS. accurate but fouled barrel badly. I read this was a common problem and was fixed with the introduction of the Scirocco 2. I have not used the new bullet. Elk and Mule Deer.

165 gr Hornady InterBond-98.5 grs. Retumbo-3400 FPS Accurate and should be good for almost anything but then I wouldn't have anything to do. 2 Muleys and 2 Antelope.

200 gr AccuBond-92.7 gr Retumbo-3175 FPS. Nothing yet but this is the load that will go to Southern B.C. at the end of next month. Hope to use it on Moose, Mule Deer, Black Bear, and maybe a wolf.

All these loads shoot somewhere around an inch or less. Depends on the day and me. This works for me. I'll let you know how the 200's worked in BC.

Lou
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post #8 of 14 (permalink) Old 08-11-2010, 05:25 PM Thread Starter
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Re: 300 RUM Loads

Just tried some new loads last night.

Berger 210 VLD w/ 91 gr Retumbo w/ Fed 215 Primer and Remington Brass. Shot 1.5" group at 200 yards in less then ideal conditions. (Breezy)
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post #9 of 14 (permalink) Old 08-21-2010, 11:27 PM
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Re: 300 RUM Loads

I was given a box of Barnes 168 TSX bullets, I loaded them with 89 grains of RL22. Was getting good groups last week at 100 yards. Want to get back to the range soon and see what it looks like at 200 yards.
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post #10 of 14 (permalink) Old 08-21-2010, 11:42 PM
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Re: 300 RUM Loads

I reload for two of them. And IMO the cartridge is plain awesome. My standard load is a Sierra 165 grain pill with more RL-25 than I care to put in print. I have heard good things about Retumbo but I bought 5# of RL-25. But at the load I am shooting that 5# will not last long.

I am also doing a little load work with the 200 grain Sierra bullet. But no spectacular results there yet.

The 165 Sierra is truly devastating on deer. But I do not know if I would try elk with them or not. That bullet is smoking, and I am not sure how it would hold up. I normally do not advocate controlled expansion bullets. But in a super performer like the 300 RUM I would probably start shooting them again.

I read above where a couple of guys were having good luck with RL22. I tried RL22, but pressure showed up pretty fast, and at only so-so velocities in both the Remington 700's we tried the powder in. Tom.
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