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Load for 300 Rum w/210 Bergers

 
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  #8  
Old 10-28-2009, 09:43 PM
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Re: Load for 300 Rum w/210 Bergers

BTW, I shot a 210 with about 90g of Retumbo behind it through an 9" wet log at close range. This was good not rotten wood at all--just wet. Saw the remains of it hit something down range. Might try this again with something behind the log to catch what's left of the bullet to get a better idea of what's going on. Not too scientific, perhaps, but I was curious what would happen with this bullet.
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  #9  
Old 10-29-2009, 09:29 AM
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Re: Load for 300 Rum w/210 Bergers

Cordell, This has been my experience with 210 bergers in my remington 300 rum.

OAL 3.675
Primer 215M
Remington weight sorted brass.
85.5G Average MV 2845
86.0G Average MV 2839
86.5G Average MV 2882
91.5G Average MV 3112

85.5G was my best load as for groups 3 shot group @ 200 yards measured .256

Bigbuck
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  #10  
Old 10-29-2009, 10:16 AM
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Re: Load for 300 Rum w/210 Bergers

Quote:
Originally Posted by MontanaRifleman View Post
I just got back from the range shooting some 210 Bergers with 95 gr of Retumbo with an MV of 3200 plus (the low battery was also flashing) and no excessive pressure sings, This is a factory Sendero 26" barrel I got about .4 MOA to 212 yds. Going back tomorrow with some more to shoot at farther ranges and a new battery. Seated about .010 off the lands.

95 gr is more than most will find as max. I've seen some posts saying about 93 grs. You should be safe starting at 87 or 88 IMO. You *should* be able to get 3100-3150 with the 210's and Retumbo, but every rifle is different.

Mark
MR, I wish I was getting that speed. With 94.7g (~3.85 OAL and -.010 off lands) the GM215M is cratered pretty well, but either no ejector pin mark or the very faintest of marks on some cases. I think the FED primers are pretty soft. I just set primers in the cases for the third time yesterday and they are as tight and consistent as ever--no noticeable primer pocket expansion. I shot a 94.5g load the other day at the range at 300yd prone with bipod and rear bag that I use while hunting (keep in mind this is a unbraked factory gun with close to 1400 rnds through it) after 2 foulers, managed to keep the next 20 rounds in a sub MOA group with quite a few of those going in to a large ragged hole. Still working on consistent shooting form--who isn't?

Edit: Just saw this post:

Berger 168 VLD results on an Elk

Hope these 210's don't do that. When I was emailing back and forth with Walt Berger, he was reccomended the .30 cal 168 Berger for my brother in his .300 WSM for elk. It seemed there was something in particular about that bullet that he thought was good for elk.

Reference to an earlier post where Walt sent me some data he produced for the 210 using QL:

R22 210 VLD's 300Rum?

Hopefully, this'll help the OP because it's the same info he'll get if he emails Berger. Scroll down page one a ways and you'll see where Eaglet (who's smarter than me) put the infor in a nice table format...
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"And can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are the gift of God?" Thomas Jefferson - Notes on the State of Virginia

www.wildsidesystems.com - Shelter for Your WildSide - http://www.youtube.com/watch?v=tYwgo...&feature=g-upl

Last edited by jmden; 10-29-2009 at 10:29 AM.
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  #11  
Old 10-29-2009, 12:30 PM
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Re: Load for 300 Rum w/210 Bergers

Thanks for all the good info fellas, I will have to give it all a try one I have the longer box installed and a DE muzzle brake put on.

I am very interested to see how the 210's group in my gun and how the do on deer and elk sized game.
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  #12  
Old 10-29-2009, 10:30 PM
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Re: Load for 300 Rum w/210 Bergers

Quote:
Quote:
Originally Posted by jmden View Post
MR, I wish I was getting that speed. With 94.7g (~3.85 OAL and -.010 off lands) the GM215M is cratered pretty well, but either no ejector pin mark or the very faintest of marks on some cases. I think the FED primers are pretty soft. I just set primers in the cases for the third time yesterday and they are as tight and consistent as ever--no noticeable primer pocket expansion. I shot a 94.5g load the other day at the range at 300yd prone with bipod and rear bag that I use while hunting (keep in mind this is a unbraked factory gun with close to 1400 rnds through it) after 2 foulers, managed to keep the next 20 rounds in a sub MOA group with quite a few of those going in to a large ragged hole. Still working on consistent shooting form--who isn't?

Edit: Just saw this post:

Berger 168 VLD results on an Elk

Hope these 210's don't do that. When I was emailing back and forth with Walt Berger, he was reccomended the .30 cal 168 Berger for my brother in his .300 WSM for elk. It seemed there was something in particular about that bullet that he thought was good for elk.

Reference to an earlier post where Walt sent me some data he produced for the 210 using QL:

R22 210 VLD's 300Rum?

Hopefully, this'll help the OP because it's the same info he'll get if he emails Berger. Scroll down page one a ways and you'll see where Eaglet (who's smarter than me) put the infor in a nice table format...
Jon, yeah I saw the 168 VLD vs the elk thread. The Bergers are not my first choice for a hunting bullet but they showed a lot of promise in the accuracy dept so I worked up a load for them. I'm not real sure about the velocoites because I dont completely trust my Chrony Alpha. I'm fairly sure I'm getting over 3150 and possibly 3200 with the 210's and 95 gr of Retumbo. The 180 E-Tips and 200 AB's are my first choices for bullets, but the local stores are out of the AB's. I think I'm getting 3400 plus with the E-Tips. I need to confirm the trajectories at longer ranges. The range I'm shooting at is only 427 yds - need to find a spot for some longer shots. The E-Tips edged out the Bergers in accuracy @ 427 yds and were the same at 332 yds (earlier post). As soon as I can find some more Retumbo, I'll be loading some E-Tips. I haven't really fine tuned these loads yet and I think I can squeeze some tighter groups from them. The 200 AB's were shooting a little better than the E-Tips @ 100 and 212. I am pleased so far.

Mark
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  #13  
Old 10-30-2009, 12:21 AM
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Re: Load for 300 Rum w/210 Bergers

On that 168 Berger post, I'll be interested to see if the OP can confirm if the bullet being used was the hunting bullet or the thick jacket bullet--a good point that Coyboy brought up. I'm hoping they accidentally used the thick jacketed bullet...
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In the beginning God created the heavens and the earth. Genesis 1:1

"And can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are the gift of God?" Thomas Jefferson - Notes on the State of Virginia

www.wildsidesystems.com - Shelter for Your WildSide - http://www.youtube.com/watch?v=tYwgo...&feature=g-upl
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  #14  
Old 11-01-2009, 01:39 AM
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Re: Load for 300 Rum w/210 Bergers

For what it's worth. 97.0 of retumbo, F215M primers and the 180 Etip gives in the mid 3300's in both my 300 rums. Both have 26" barrels.
With 95.0 grains consistently gives 3150-3180 with 200 ABs.
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