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165 gr VLD in .270 Winchester?

 
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  #22  
Old 07-22-2011, 02:42 PM
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Join Date: Mar 2010
Location: Idaho again Praise God!
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Re: 165 gr VLD in .270 Winchester?

I realize that rl-17 is fast for heavy bullets but after looking on Alliant power reloading data rl-17 was giving the best velocity for 150gn bullets. Seeing the data compared to the data earlier in the forum. I am getting real good velocity with little powder. Also I tryed H4831 and got early pressure signs around 52 gn, the velocity was only 2700 fps. I am going to so some load developement today so see what I can get for SD and grouping.
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  #23  
Old 07-25-2011, 09:36 PM
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Re: 165 gr VLD in .270 Winchester?

I did some more reloading today with rl-22 got some great results. The velocity was down but the grouping and es were great. I found a node at 53gn with CCI 250 mag primes. The average velocity was 2760fps and two groups when .35 and .4 inches. The extreme spread was 15fps. This load with give me 1100 foot lbs of energy at a 1000yds at 4200 feet elevation.
Hope this helps. Looking forward to seeing others results.
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  #24  
Old 07-25-2011, 09:58 PM
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Join Date: Sep 2004
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Re: 165 gr VLD in .270 Winchester?

Quote:
Originally Posted by 1984nitro View Post
I realize that rl-17 is fast for heavy bullets but after looking on Alliant power reloading data rl-17 was giving the best velocity for 150gn bullets. Seeing the data compared to the data earlier in the forum. I am getting real good velocity with little powder. Also I tryed H4831 and got early pressure signs around 52 gn, the velocity was only 2700 fps. I am going to so some load developement today so see what I can get for SD and grouping.
Reloading data is iffy at best. You realy need 26-29 inch barrels to shoot these heavy bullets
__________________
.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.
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  #25  
Old 07-25-2011, 10:00 PM
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Join Date: Nov 2010
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Re: 165 gr VLD in .270 Winchester?

let us know if you find the ballistic co-efficient to be as stated. I saw a forum post somewhere else that led me to believe they were not. They were below a Berger VLD in the post I read..
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  #26  
Old 07-25-2011, 10:53 PM
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Join Date: Mar 2010
Location: Idaho again Praise God!
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Re: 165 gr VLD in .270 Winchester?

Ya I will post long range results when I get a chance. I will need to buy some more here soon. Used alot just getting the right powder primer combo. I dont see the bc being below the Berger because they are longer and still the vld profile, we will see. Also these velocities are in a 26" barrel and the bullets are set on the riflings. They don't fit the mag but they shoot great and I will be using the 150 sst for shorter range in the mag.
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  #27  
Old 07-26-2011, 09:10 AM
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Re: 165 gr VLD in .270 Winchester?

Mine came in, but haven't had time to load any. Nitro, what does Alliant recommend for RL22, what is the max load?
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  #28  
Old 07-26-2011, 11:54 AM
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Re: 165 gr VLD in .270 Winchester?

Quote:
Originally Posted by COBrad View Post
Mine came in, but haven't had time to load any. Nitro, what does Alliant recommend for RL22, what is the max load?
The max is 54.0 gn. I took it up to 54.3gn with no problems. But the accuacy was at 53.0 gn with mag primers. 54.3gn took it 2840 fps out of my set up.
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