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Recoil - 300 Ultra vs 338 Ultra

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Unread 01-06-2010, 07:38 PM
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Recoil - 300 Ultra vs 338 Ultra

I am toying with the idea of getting a 338 RUM or rebarreling my 300 RUM when it burns out. My only hesitation is recoil and I dont like brakes. This would be a carry rifle and although I do put ear plugs in when I have the time in the field, I dont always have that time. I like the idea of a 338 because it would be a better elk killer and the barrel life would be better.

Presently, I normally use a slip-on recoil pad for load work and practice and it makes shooting the 300 very tolerable.

Does anyone have experience shooting both without a brake and if so what is your opinion on the difference in recoil.


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Unread 01-06-2010, 09:36 PM
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Re: Recoil - 300 Ultra vs 338 Ultra

I shot a 12 inch pull, 8# 338 Win Mag with a full load of powder behind a 250 class bullet. First shot, from bench, hurt. Second shot from the bench resulted in tears in eyes and a quite lengthy one armed flapping rain dance.

I immediately fell in love with brakes. Swapped a 338 RUM in to the action and full tilt, 2700+ FPS MV w/300 SMKs with tupperware stock and brake are a dream. 105#, 5' 8" pole of a grandson shoots it prone with no problems.

I'd recommend going the 338 RUM route and go the brake way. Sleep with the brake for a while, you'll fall in love with it.

Its really worth it to spot your shots even when some times the rest isn't all that good.
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Unread 01-06-2010, 10:03 PM
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Join Date: Dec 2009
Location: New Brunswick, Canada
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Re: Recoil - 300 Ultra vs 338 Ultra

The only person that can answer that question is you, everyone on this forum has a different tolerance for recoil. Some don't like any recoil & some can take a really healthy dose without batting an eye.
For me personally, I own a 300 ultra & have put quite a few rounds down a 338 ultra, the 338 pushes a little harder but isn't that bad at all.
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Unread 01-06-2010, 10:30 PM
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Re: Recoil - 300 Ultra vs 338 Ultra

I didn't really like shooting my Remington 700 338 RUM a lot at the range, I like to hold it kind of easy. It takes it's toll after a while.
My new 338 RUM barrel is going to have a Muscle brake on it.
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Unread 01-06-2010, 10:45 PM
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Re: Recoil - 300 Ultra vs 338 Ultra

300 rum and 338 rum can be very similar depending on what bullet your using. I find that the 300 rum pushing 220's-240's similar to 338 rum pushing 215's. However a 338 rum pushing 300's a different story...more uummff than a sharp push. both w/o brakes for me are ok till about the 15th round. Future buiids will be with a break as the older I get the more my tolerence for recoil is diminishing. +1 with what others have said and consider a brake...not all of them blow sh&% all over ya.
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Unread 01-07-2010, 08:41 PM
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Join Date: May 2008
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Re: Recoil - 300 Ultra vs 338 Ultra

Thanks for the replys guys. Roy, you did a good job giving me a visual of doing the one armed flapping rain dance

You guys have done a good job on convincing me to use a brake, and who knows maybe I will. But I'll porbably try it without first. the recoil calc says the 300 will give me about 31 ftlbs vs 41 ftlb for the 338. This is just a pipe dream ATM and I'm thinking of making it a switch barrel on one of my Sendero frames. I could use the same Redding bushing die as the 300 and have another cal for the price of the barrel and smithing.

Thanks again for the help,

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Unread 01-07-2010, 09:35 PM
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Re: Recoil - 300 Ultra vs 338 Ultra

Put a #5 contour barrel on the 338RUM and one or two recoil compensators in the butt stock. The weight of the compensators in the butt stock will balance the heavy barre and you may be able to stand it that way.

On mine I used a #5 contour 26" Brux barrel and had the gunsmith put a custom port on it

and put 2 mechanical recoil compensators in the stock

and shooting 225 gr bullets at 3100 fps it kicks like my 300 win mag shooting 200 gr bullets at 2900 fps.

The porting is not as effective as a full blown brake but no one at the range complains about it being excessively loud and it does not blow chit off the bench or your hat off your head either. The main thing is I can shoot it all day with no effect on my old shoulder.
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