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AR COMP by Alliant

 
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  #1  
Old 10-17-2011, 12:07 PM
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AR COMP by Alliant

Anybody using this powder yet?

Tank
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Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

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  #2  
Old 10-18-2011, 11:46 PM
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Re: AR COMP by Alliant

Guess not Tank. Curious myself. I've got a jug of it I'm going to test run in my 6.5 lapua. Should get my hands on the new lapua this month. You thinking of giving it a try in your 308?
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  #3  
Old 10-19-2011, 08:34 AM
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Re: AR COMP by Alliant

Quote:
Originally Posted by BIG MO View Post
Guess not Tank. Curious myself. I've got a jug of it I'm going to test run in my 6.5 lapua. Should get my hands on the new lapua this month. You thinking of giving it a try in your 308?
I have couple pounds of AR in the mail. Waiting for it to get here. I am going to run it in my .308 and see what it does. Hopefully it will work as well or better than the RL15 I currently use.

Tank
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Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
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  #4  
Old 10-19-2011, 03:48 PM
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Re: AR COMP by Alliant

I just talked to a tech at Alliant. He said the burn rate of the AR Comp is between RL15 and Varget. That tells me that the 42.4 max grain weight for a 168 is a little conservative, but will start low just to be sure. I use 43 and 45 grains of RL15 with 175's, and have used 44 to 44.5 grains of Varget with 178's. But the 44.5 did show some pressure. Anyway, just thought I would share that with you.

Tank
__________________
Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
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  #5  
Old 10-24-2011, 01:42 PM
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Re: AR COMP by Alliant

Well here are the results. Granted I found a load .4 grains over the suggested max, and I didn't get the velocity I was hoping for.... I'm not going to complain.

Load: 42.8grn AR Comp, ES 4.5, SD 2.8, Avg. 2790

Off of a bench w/ bipod and rear bag. CTC .116" in a three shot group. I feel that should I have had 5 shot it probably would still be under .25" (assuming I didn't throw one).

__________________
Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
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  #6  
Old 10-24-2011, 01:48 PM
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Re: AR COMP by Alliant

Quote:
Originally Posted by liltank View Post
Well here are the results. Granted I found a load .4 grains over the suggested max, and I didn't get the velocity I was hoping for.... I'm not going to complain.

Load: 42.8grn AR Comp, ES 4.5, SD 2.8, Avg. 2790

Off of a bench w/ bipod and rear bag. CTC .116" in a three shot group. I feel that should I have had 5 shot it probably would still be under .25" (assuming I didn't throw one).

Well to put it conservatively.... THAT DON'T SUCK!

When I get set up to start loading .260's I may talk to them and see if they have any loads worked up for it.
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  #7  
Old 10-24-2011, 06:00 PM
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Re: AR COMP by Alliant

I should also mention that all my loads were within 26fps as an ES with this powder. I started at 41.5gr and worked my way up to 43.5. 43.5 gave me speeds of 2882-2908fps. The groups started to open up after my first accuracy node. I didn't continue because, who can complain about what I have? I'm most certainly not too concerned. Most of the groups were less than 1" at 100yds. I have one other group with 42.6grns that measures .361" That is with the cold bore. It is obviously the group before the keeper. I was watching them come together as the loads were changing.

Tank
__________________
Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
Reply With Quote
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