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300 win mag with 210 Vld

 
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  #1  
Old 02-21-2013, 08:16 AM
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300 win mag with 210 Vld

I shot some loads in 300 wm with 210 vld's with RWS brass , 78 grains of H-1000 for 2974 fps then went to nosler brass and with 79.5 grains H-1000 was 2940 fps I had no pressure with either. Is this the norm with RWS brass? It filled the case way more than nosler but I was shocked at the difference in velocity and I know someone will give me the reason other than thicker brass.the real question is which to go with, I can go up in nosler brass but at the above loads they both shot very good.
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Old 02-21-2013, 11:35 AM
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Re: 300 win mag with 210 Vld

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Originally Posted by gerryb View Post
I shot some loads in 300 wm with 210 vld's with RWS brass , 78 grains of H-1000 for 2974 fps then went to nosler brass and with 79.5 grains H-1000 was 2940 fps I had no pressure with either. Is this the norm with RWS brass? It filled the case way more than nosler but I was shocked at the difference in velocity and I know someone will give me the reason other than thicker brass.the real question is which to go with, I can go up in nosler brass but at the above loads they both shot very good.
The RWS is regarded as the best brass you can get for thr 300 WM. And yes, the reason RWS holds less powder is due to the wall thickness. It also means you'll max pressure with less powder. I' d run the RWS. More velocity with less powder consumption what's not to like?
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Old 02-21-2013, 12:32 PM
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Re: 300 win mag with 210 Vld

the only thing not to like is they are hard to get.I guess you can not expect cheaper brass to be the same but you can always try
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Old 02-21-2013, 05:10 PM
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Re: 300 win mag with 210 Vld

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Originally Posted by gerryb View Post
the only thing not to like is they are hard to get.I guess you can not expect cheaper brass to be the same but you can always try
Don't worry. As long as you take care of your brass that RWS will last a very long time.
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Old 02-21-2013, 05:25 PM
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Re: 300 win mag with 210 Vld

I have loaded that load ( less powder) in many 300 wins with 210 Bergers. Both customs and also several factory senderos. I have used RWS, WW, RP, Graf, and Lapua brass. I feel you are flirting with over pressure loads. The reason the RWS is showing more velocity is it is indeed a higher pressure load even at one grain less. The lower case volume of the RWS makes the load you described close to 100% full depending on seating depth. I find max with RWS and a 210 Berger and H-1000 to be closer to 73 or 74 gr. I am not sure of your barrel length or the altitude you are shooting, but if you are under 4000 ft als. and in less than a 28" barrel please be very careful.

Jeff
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Old 02-21-2013, 05:46 PM
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Re: 300 win mag with 210 Vld

I am low and you may be right. I don't have anything that would make me think there is excessive pressure. Primers, bolt lift , and no flash marks. I will load some down there but I am afraid I will be in the 2700 fps range. With nosler I could easily go to 81. Grains but I only want to be over 2900 fps.
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Old 02-21-2013, 05:56 PM
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Re: 300 win mag with 210 Vld

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Originally Posted by gerryb View Post
I am low and you may be right. I don't have anything that would make me think there is excessive pressure. Primers, bolt lift , and no flash marks. I will load some down there but I am afraid I will be in the 2700 fps range. With nosler I could easily go to 81. Grains but I only want to be over 2900 fps.
Even in the larger volume cases like WW, RP, and such 81 gr and a 210 is pushing it. 77 or 78 is probably max. Rifles are different, I am stating the normal charges. We have found we need to reduce the load by 3 gr when we put it in RWS.

2900 plus from a 300 win with a 210 is smoking at sea level. What length tube?

Jeff
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