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Reloading data for 240gr SMK in a 30-378

 
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  #1  
Old 09-15-2008, 02:21 PM
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Reloading data for 240gr SMK in a 30-378

I'm trying to develop a load for my Sako M995 30-378 using a 240 gr SMK. Please reply with any load data you have for this cartridge. Please include powder, primer, COL, and muzzle velocity. Thanks for the help.
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  #2  
Old 09-16-2008, 01:56 PM
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Re: Reloading data for 240gr SMK in a 30-378

Has no one shot the 240gr SMK in a 30-378??
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  #3  
Old 09-16-2008, 03:13 PM
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Re: Reloading data for 240gr SMK in a 30-378

So I posted bascially the same question about 2 weeks ago except I am using Wby Mark V and it doesnt sound like there is much out there on this load???

I started with 240 SMK, 104gr US869, CCI 250 primers, 3.718 Overall length, Wby brass, and have averaged 2825 ft/sec 10' off muzzle. Producing 1" groups or better at 100 yards. I was hoping for better velocity closer to 3000 ft/sec but I have not found the magic combo yet?

I will be looking into H1000 powder to see if any potential exisist there, if anyone out there has experience please chime in.

Thanks.
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  #4  
Old 09-17-2008, 06:21 AM
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Re: Reloading data for 240gr SMK in a 30-378

I have a 30-378, and I am doing this from memory (please excuse any errors). My rifle is an accumark with a 1-10 twist. I believe a faster twist is need to shot the 240's. Sierra 210-220 and the berger 210, I believe are the heaviest reccommended for the 1-10. If you have any experience with shooting the heavier bullets with a 1-10 twist barrel please let me know.
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  #5  
Old 09-17-2008, 09:11 AM
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Re: Reloading data for 240gr SMK in a 30-378

Quote:
Originally Posted by tonyo View Post
So I posted bascially the same question about 2 weeks ago except I am using Wby Mark V and it doesnt sound like there is much out there on this load???

I started with 240 SMK, 104gr US869, CCI 250 primers, 3.718 Overall length, Wby brass, and have averaged 2825 ft/sec 10' off muzzle. Producing 1" groups or better at 100 yards. I was hoping for better velocity closer to 3000 ft/sec but I have not found the magic combo yet?

I will be looking into H1000 powder to see if any potential exisist there, if anyone out there has experience please chime in.

Thanks.
Have you tried Fed 215 primers ?
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  #6  
Old 09-17-2008, 09:41 AM
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Re: Reloading data for 240gr SMK in a 30-378

Try www.reloadersnest.com - a reloaders resource They have some info that might help.
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  #7  
Old 09-17-2008, 11:57 AM
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Re: Reloading data for 240gr SMK in a 30-378

Marine Sniper:

I have been unable to locate any 215 primers until yesterday I found a thread on this website for a guy who is offering them for sale. I will pick some up if he has any left. Do you suspect I'll see significant improvement over the CCI250?
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