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210 Bergers in 300WinMag

 
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  #8  
Old 02-06-2014, 12:41 AM
dmj dmj is offline
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Re: 210 Bergers in 300WinMag

brentc, thank you for the info
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  #9  
Old 02-06-2014, 06:10 AM
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Re: 210 Bergers in 300WinMag

I use the 210's with Retumbo in my 24" Rem Milspec 300WM. My load is 79gr using Norma brass, Fed 215 primers, seated .010" off the lands. My Velocity is 2900FPS with an ES of 8FPS. This load produces .25-.5 MOA. Using Winchester brass, I would start a few grains lower since the case capacity is about 2.5 gr less then the Norma brass.
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  #10  
Old 02-06-2014, 08:19 AM
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Re: 210 Bergers in 300WinMag

Thanks GreyFox!

My son's Rem 700 has a full length (3.60") blind mag so it can be long loaded. Berger lists 79.6 grains as top but 2900 fps is as good as 7828 developed with SMK's. For everyone suggesting 7828 I would like to add we have used it with 200 SMK's and there is room left over. Velocity is good but there remains potential in that space. We will check the length to jammed this weekend and proceed from there. Your numbers for seating depth will be followed.

KB
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  #11  
Old 02-06-2014, 05:24 PM
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Re: 210 Bergers in 300WinMag

Quote:
Originally Posted by Kennibear View Post
Thanks GreyFox!

My son's Rem 700 has a full length (3.60") blind mag so it can be long loaded. Berger lists 79.6 grains as top but 2900 fps is as good as 7828 developed with SMK's. For everyone suggesting 7828 I would like to add we have used it with 200 SMK's and there is room left over. Velocity is good but there remains potential in that space. We will check the length to jammed this weekend and proceed from there. Your numbers for seating depth will be followed.

KB
I can't fault you for wanting to try something new. I do it all the time. Just know that because there is room left over doesn't mean anything other than it's more dense than other slow burners. If you have a great load with 7828 don't scrap it because there is space left in the case. My best 300 Win load for 215s carries 72.5-73.0 grains of H4831sc. Believe me, there is space left in the case.
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  #12  
Old 02-06-2014, 07:21 PM
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Re: 210 Bergers in 300WinMag

Quote:
Originally Posted by Kennibear View Post
Thanks GreyFox!

My son's Rem 700 has a full length (3.60") blind mag so it can be long loaded. Berger lists 79.6 grains as top but 2900 fps is as good as 7828 developed with SMK's. For everyone suggesting 7828 I would like to add we have used it with 200 SMK's and there is room left over. Velocity is good but there remains potential in that space. We will check the length to jammed this weekend and proceed from there. Your numbers for seating depth will be followed.

KB
I have used 7828 with good results but have found that in my rifle, Retumbo has given me the lowest ES, and excellent temperature stability which ranges from 15-80 degrees through my shooting season. It does fill the case, and there are no pressure signs. This same load also produces the same velocity, ES, and accuracy using 210 Nosler Long Rang Accubonds seated .050" off the lands but I have not yet tested them past 500 yards. The 210 Bergers shoot very well, tested out to 1450 yards.
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  #13  
Old 02-07-2014, 08:19 AM
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Re: 210 Bergers in 300WinMag

Not opposed to 7828 or < 100% load density. But this site has many contributors who have had great success with Retumbo. I use 4350 in 30/06 because it delivers high velocity and excellent uniformity and it is <100%. I prefer 7828 to 4831 but have used 4831 a lot in the past.
We would like to try H1000 also but it is only slightly more available than unobtainium barrels.
The local Sportsman's Warehouse has Berger 210 VLD Hunting 308's in large packs so if this pans out, and everything points to that outcome, quantity purchases are possible. Today that is a good thing.

KB
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