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Vihtavouri N540 or N550 powder

 
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  #1  
Old 06-09-2013, 07:14 AM
CWQ CWQ is offline
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Vihtavouri N540 or N550 powder

I have run out of RL 15. Should I use Vihtavouri N540 or N550 powder.

I am shooting 175 grain Sierra Match Kings with an Accuracy International 308, 24" barrel, model AE Mk 3 with a 1:12 twist rate.

many thanks
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  #2  
Old 06-09-2013, 05:32 PM
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Location: The rifle range, or archery range or behind the computer in Alaska
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Re: Vihtavouri N540 or N550 powder

N540 for up to 190s in some barrels, n530 in others and n550 yet in others. I'd start with 540. I've run a lot of 540 and 550 in 308s running 168s up to the 208s. 540 has been stellar in both accuracy and velocity for 168-190. 550 is better for the heavies.
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Quote:
Originally Posted by Broz View Post
Please just answer one very simple question. Why would anyone shooting long range load a low BC , low SD 168 gr offering in a 300 win???????

My answer to this is. The only reason is to make the 7 RM look good. There is no other reason.

Jeff.
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  #3  
Old 06-11-2013, 06:47 PM
CWQ CWQ is offline
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Re: Vihtavouri N540 or N550 powder

Thanks, I was leaning to 540 and you confirmed it.
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  #4  
Old 06-12-2013, 10:10 PM
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Re: Vihtavouri N540 or N550 powder

Were you using RL15 for the bullets you mentioned???
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